Home / 373,685,680.87-515,676,248.58-206,418,342.07

Finding the Fourth Proportional to 373,685,680.87, 515,676,248.58 and 206,418,342.07

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Solution

The fourth proportional to 373,685,680.87, 515,676,248.58 and 206,418,342.07 is: 284,851,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,685,680.87 : 515,676,248.58 = 206,418,342.07 : x
  2. Step 2: Convert to fraction form
    373,685,680.87/515,676,248.58 = 206,418,342.07/x
  3. Step 3: Cross multiply
    373,685,680.87x = 515,676,248.58 × 206,418,342.07
  4. Step 4: Simplify right side
    373,685,680.87x = 106,445,036,276,760,784
  5. Step 5: Solve for x
    x = 106,445,036,276,760,784/373,685,680.87
  6. Step 6: Final answer
    x = 284,851,793.17

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