Home / 372,305,272.01-513,837,131.28-282,850,011.57

Finding the Fourth Proportional to 372,305,272.01, 513,837,131.28 and 282,850,011.57

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Solution

The fourth proportional to 372,305,272.01, 513,837,131.28 and 282,850,011.57 is: 390,375,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,305,272.01 : 513,837,131.28 = 282,850,011.57 : x
  2. Step 2: Convert to fraction form
    372,305,272.01/513,837,131.28 = 282,850,011.57/x
  3. Step 3: Cross multiply
    372,305,272.01x = 513,837,131.28 × 282,850,011.57
  4. Step 4: Simplify right side
    372,305,272.01x = 145,338,838,527,643,584
  5. Step 5: Solve for x
    x = 145,338,838,527,643,584/372,305,272.01
  6. Step 6: Final answer
    x = 390,375,451.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.