Home / 336,148,878.30-502,711,663.05-281,729,319.90

Finding the Fourth Proportional to 336,148,878.30, 502,711,663.05 and 281,729,319.90

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Solution

The fourth proportional to 336,148,878.30, 502,711,663.05 and 281,729,319.90 is: 421,327,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,148,878.30 : 502,711,663.05 = 281,729,319.90 : x
  2. Step 2: Convert to fraction form
    336,148,878.30/502,711,663.05 = 281,729,319.90/x
  3. Step 3: Cross multiply
    336,148,878.30x = 502,711,663.05 × 281,729,319.90
  4. Step 4: Simplify right side
    336,148,878.30x = 141,628,614,936,874,448
  5. Step 5: Solve for x
    x = 141,628,614,936,874,448/336,148,878.30
  6. Step 6: Final answer
    x = 421,327,049.05

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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.