Home / 690,835,798.24-1,036,719,959.90-270,605,045.41

Finding the Fourth Proportional to 690,835,798.24, 1,036,719,959.90 and 270,605,045.41

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Solution

The fourth proportional to 690,835,798.24, 1,036,719,959.90 and 270,605,045.41 is: 406,090,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,835,798.24 : 1,036,719,959.90 = 270,605,045.41 : x
  2. Step 2: Convert to fraction form
    690,835,798.24/1,036,719,959.90 = 270,605,045.41/x
  3. Step 3: Cross multiply
    690,835,798.24x = 1,036,719,959.90 × 270,605,045.41
  4. Step 4: Simplify right side
    690,835,798.24x = 280,541,651,822,248,064
  5. Step 5: Solve for x
    x = 280,541,651,822,248,064/690,835,798.24
  6. Step 6: Final answer
    x = 406,090,206.30

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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.