Home / 509,724,103.60-763,452,414.60-419,024,839.60

Finding the Fourth Proportional to 509,724,103.60, 763,452,414.60 and 419,024,839.60

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Solution

The fourth proportional to 509,724,103.60, 763,452,414.60 and 419,024,839.60 is: 627,605,254.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,724,103.60 : 763,452,414.60 = 419,024,839.60 : x
  2. Step 2: Convert to fraction form
    509,724,103.60/763,452,414.60 = 419,024,839.60/x
  3. Step 3: Cross multiply
    509,724,103.60x = 763,452,414.60 × 419,024,839.60
  4. Step 4: Simplify right side
    509,724,103.60x = 319,905,525,569,997,696
  5. Step 5: Solve for x
    x = 319,905,525,569,997,696/509,724,103.60
  6. Step 6: Final answer
    x = 627,605,254.12

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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.