Home / 690,835,797.98-1,036,719,959.52-270,605,045.16

Finding the Fourth Proportional to 690,835,797.98, 1,036,719,959.52 and 270,605,045.16

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Solution

The fourth proportional to 690,835,797.98, 1,036,719,959.52 and 270,605,045.16 is: 406,090,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,835,797.98 : 1,036,719,959.52 = 270,605,045.16 : x
  2. Step 2: Convert to fraction form
    690,835,797.98/1,036,719,959.52 = 270,605,045.16/x
  3. Step 3: Cross multiply
    690,835,797.98x = 1,036,719,959.52 × 270,605,045.16
  4. Step 4: Simplify right side
    690,835,797.98x = 280,541,651,464,183,008
  5. Step 5: Solve for x
    x = 280,541,651,464,183,008/690,835,797.98
  6. Step 6: Final answer
    x = 406,090,205.93

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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.