Home / 690,835,801.98-1,036,719,965.52-270,605,049.16

Finding the Fourth Proportional to 690,835,801.98, 1,036,719,965.52 and 270,605,049.16

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Solution

The fourth proportional to 690,835,801.98, 1,036,719,965.52 and 270,605,049.16 is: 406,090,211.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,835,801.98 : 1,036,719,965.52 = 270,605,049.16 : x
  2. Step 2: Convert to fraction form
    690,835,801.98/1,036,719,965.52 = 270,605,049.16/x
  3. Step 3: Cross multiply
    690,835,801.98x = 1,036,719,965.52 × 270,605,049.16
  4. Step 4: Simplify right side
    690,835,801.98x = 280,541,657,234,693,120
  5. Step 5: Solve for x
    x = 280,541,657,234,693,120/690,835,801.98
  6. Step 6: Final answer
    x = 406,090,211.93

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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.