Home / 398,637,675.73-598,261,714.92-180,441,248.88

Finding the Fourth Proportional to 398,637,675.73, 598,261,714.92 and 180,441,248.88

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Solution

The fourth proportional to 398,637,675.73, 598,261,714.92 and 180,441,248.88 is: 270,800,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,637,675.73 : 598,261,714.92 = 180,441,248.88 : x
  2. Step 2: Convert to fraction form
    398,637,675.73/598,261,714.92 = 180,441,248.88/x
  3. Step 3: Cross multiply
    398,637,675.73x = 598,261,714.92 × 180,441,248.88
  4. Step 4: Simplify right side
    398,637,675.73x = 107,951,090,997,255,312
  5. Step 5: Solve for x
    x = 107,951,090,997,255,312/398,637,675.73
  6. Step 6: Final answer
    x = 270,800,021.10

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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.