Home / 487,231,626,921.52-730,549,565,432.12-232,338,970,247.58

Finding the Fourth Proportional to 487,231,626,921.52, 730,549,565,432.12 and 232,338,970,247.58

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Solution

The fourth proportional to 487,231,626,921.52, 730,549,565,432.12 and 232,338,970,247.58 is: 348,366,412,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,231,626,921.52 : 730,549,565,432.12 = 232,338,970,247.58 : x
  2. Step 2: Convert to fraction form
    487,231,626,921.52/730,549,565,432.12 = 232,338,970,247.58/x
  3. Step 3: Cross multiply
    487,231,626,921.52x = 730,549,565,432.12 × 232,338,970,247.58
  4. Step 4: Simplify right side
    487,231,626,921.52x = 169,735,133,747,315,805,782,016
  5. Step 5: Solve for x
    x = 169,735,133,747,315,805,782,016/487,231,626,921.52
  6. Step 6: Final answer
    x = 348,366,412,130.83

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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.