Home / 17,041,928,135.10-25,562,892,202.65-12,909,442,919.10

Finding the Fourth Proportional to 17,041,928,135.10, 25,562,892,202.65 and 12,909,442,919.10

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Solution

The fourth proportional to 17,041,928,135.10, 25,562,892,202.65 and 12,909,442,919.10 is: 19,364,164,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,041,928,135.10 : 25,562,892,202.65 = 12,909,442,919.10 : x
  2. Step 2: Convert to fraction form
    17,041,928,135.10/25,562,892,202.65 = 12,909,442,919.10/x
  3. Step 3: Cross multiply
    17,041,928,135.10x = 25,562,892,202.65 × 12,909,442,919.10
  4. Step 4: Simplify right side
    17,041,928,135.10x = 330,002,697,737,216,655,360
  5. Step 5: Solve for x
    x = 330,002,697,737,216,655,360/17,041,928,135.10
  6. Step 6: Final answer
    x = 19,364,164,378.65

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Double scale
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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.