Home / 6,390,685,901.10-9,586,028,851.65-3,672,776,909.10

Finding the Fourth Proportional to 6,390,685,901.10, 9,586,028,851.65 and 3,672,776,909.10

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Solution

The fourth proportional to 6,390,685,901.10, 9,586,028,851.65 and 3,672,776,909.10 is: 5,509,165,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,685,901.10 : 9,586,028,851.65 = 3,672,776,909.10 : x
  2. Step 2: Convert to fraction form
    6,390,685,901.10/9,586,028,851.65 = 3,672,776,909.10/x
  3. Step 3: Cross multiply
    6,390,685,901.10x = 9,586,028,851.65 × 3,672,776,909.10
  4. Step 4: Simplify right side
    6,390,685,901.10x = 35,207,345,416,306,507,776
  5. Step 5: Solve for x
    x = 35,207,345,416,306,507,776/6,390,685,901.10
  6. Step 6: Final answer
    x = 5,509,165,363.65

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Double scale
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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.