Home / 1,324,896,147.52-1,987,733,798.88-392,242,707.52

Finding the Fourth Proportional to 1,324,896,147.52, 1,987,733,798.88 and 392,242,707.52

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Solution

The fourth proportional to 1,324,896,147.52, 1,987,733,798.88 and 392,242,707.52 is: 588,479,397.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,896,147.52 : 1,987,733,798.88 = 392,242,707.52 : x
  2. Step 2: Convert to fraction form
    1,324,896,147.52/1,987,733,798.88 = 392,242,707.52/x
  3. Step 3: Cross multiply
    1,324,896,147.52x = 1,987,733,798.88 × 392,242,707.52
  4. Step 4: Simplify right side
    1,324,896,147.52x = 779,674,087,101,706,368
  5. Step 5: Solve for x
    x = 779,674,087,101,706,368/1,324,896,147.52
  6. Step 6: Final answer
    x = 588,479,397.85

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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.