Home / 690,835,801.49-1,036,719,964.77-270,605,048.66

Finding the Fourth Proportional to 690,835,801.49, 1,036,719,964.77 and 270,605,048.66

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Solution

The fourth proportional to 690,835,801.49, 1,036,719,964.77 and 270,605,048.66 is: 406,090,211.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,835,801.49 : 1,036,719,964.77 = 270,605,048.66 : x
  2. Step 2: Convert to fraction form
    690,835,801.49/1,036,719,964.77 = 270,605,048.66/x
  3. Step 3: Cross multiply
    690,835,801.49x = 1,036,719,964.77 × 270,605,048.66
  4. Step 4: Simplify right side
    690,835,801.49x = 280,541,656,513,379,360
  5. Step 5: Solve for x
    x = 280,541,656,513,379,360/690,835,801.49
  6. Step 6: Final answer
    x = 406,090,211.17

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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.