Home / 10,165,986,137.10-15,248,979,205.65-3,620,522,585.10

Finding the Fourth Proportional to 10,165,986,137.10, 15,248,979,205.65 and 3,620,522,585.10

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Solution

The fourth proportional to 10,165,986,137.10, 15,248,979,205.65 and 3,620,522,585.10 is: 5,430,783,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165,986,137.10 : 15,248,979,205.65 = 3,620,522,585.10 : x
  2. Step 2: Convert to fraction form
    10,165,986,137.10/15,248,979,205.65 = 3,620,522,585.10/x
  3. Step 3: Cross multiply
    10,165,986,137.10x = 15,248,979,205.65 × 3,620,522,585.10
  4. Step 4: Simplify right side
    10,165,986,137.10x = 55,209,273,613,776,076,800
  5. Step 5: Solve for x
    x = 55,209,273,613,776,076,800/10,165,986,137.10
  6. Step 6: Final answer
    x = 5,430,783,877.65

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Half scale
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Double scale
Find fourth proportional to 10,165,986,138.10, 15,248,979,207.15 and 3,620,522,586.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.