Home / 509,523,323.10-763,151,243.85-418,824,059.10

Finding the Fourth Proportional to 509,523,323.10, 763,151,243.85 and 418,824,059.10

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Solution

The fourth proportional to 509,523,323.10, 763,151,243.85 and 418,824,059.10 is: 627,304,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,523,323.10 : 763,151,243.85 = 418,824,059.10 : x
  2. Step 2: Convert to fraction form
    509,523,323.10/763,151,243.85 = 418,824,059.10/x
  3. Step 3: Cross multiply
    509,523,323.10x = 763,151,243.85 × 418,824,059.10
  4. Step 4: Simplify right side
    509,523,323.10x = 319,626,101,656,470,912
  5. Step 5: Solve for x
    x = 319,626,101,656,470,912/509,523,323.10
  6. Step 6: Final answer
    x = 627,304,162.86

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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.