Home / 939,281,158.38-1,407,696,101.79-524,741,235.15

Finding the Fourth Proportional to 939,281,158.38, 1,407,696,101.79 and 524,741,235.15

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Solution

The fourth proportional to 939,281,158.38, 1,407,696,101.79 and 524,741,235.15 is: 786,427,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,281,158.38 : 1,407,696,101.79 = 524,741,235.15 : x
  2. Step 2: Convert to fraction form
    939,281,158.38/1,407,696,101.79 = 524,741,235.15/x
  3. Step 3: Cross multiply
    939,281,158.38x = 1,407,696,101.79 × 524,741,235.15
  4. Step 4: Simplify right side
    939,281,158.38x = 738,676,191,169,124,736
  5. Step 5: Solve for x
    x = 738,676,191,169,124,736/939,281,158.38
  6. Step 6: Final answer
    x = 786,427,135.88

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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.