Home / 690,835,799.98-1,036,719,962.52-270,605,047.15

Finding the Fourth Proportional to 690,835,799.98, 1,036,719,962.52 and 270,605,047.15

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Solution

The fourth proportional to 690,835,799.98, 1,036,719,962.52 and 270,605,047.15 is: 406,090,208.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,835,799.98 : 1,036,719,962.52 = 270,605,047.15 : x
  2. Step 2: Convert to fraction form
    690,835,799.98/1,036,719,962.52 = 270,605,047.15/x
  3. Step 3: Cross multiply
    690,835,799.98x = 1,036,719,962.52 × 270,605,047.15
  4. Step 4: Simplify right side
    690,835,799.98x = 280,541,654,339,070,816
  5. Step 5: Solve for x
    x = 280,541,654,339,070,816/690,835,799.98
  6. Step 6: Final answer
    x = 406,090,208.91

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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.