Home / 352,712,883.52-486,026,565.37-272,842,928.89

Finding the Fourth Proportional to 352,712,883.52, 486,026,565.37 and 272,842,928.89

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Solution

The fourth proportional to 352,712,883.52, 486,026,565.37 and 272,842,928.89 is: 375,968,437.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,712,883.52 : 486,026,565.37 = 272,842,928.89 : x
  2. Step 2: Convert to fraction form
    352,712,883.52/486,026,565.37 = 272,842,928.89/x
  3. Step 3: Cross multiply
    352,712,883.52x = 486,026,565.37 × 272,842,928.89
  4. Step 4: Simplify right side
    352,712,883.52x = 132,608,911,613,897,840
  5. Step 5: Solve for x
    x = 132,608,911,613,897,840/352,712,883.52
  6. Step 6: Final answer
    x = 375,968,437.25

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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.