Home / 502,833,631.20-693,970,820.02-304,589,309.24

Finding the Fourth Proportional to 502,833,631.20, 693,970,820.02 and 304,589,309.24

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Solution

The fourth proportional to 502,833,631.20, 693,970,820.02 and 304,589,309.24 is: 420,369,839.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,833,631.20 : 693,970,820.02 = 304,589,309.24 : x
  2. Step 2: Convert to fraction form
    502,833,631.20/693,970,820.02 = 304,589,309.24/x
  3. Step 3: Cross multiply
    502,833,631.20x = 693,970,820.02 × 304,589,309.24
  4. Step 4: Simplify right side
    502,833,631.20x = 211,376,092,702,608,160
  5. Step 5: Solve for x
    x = 211,376,092,702,608,160/502,833,631.20
  6. Step 6: Final answer
    x = 420,369,839.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.