Home / 387,103,246.40-580,654,869.60-341,753,614.40

Finding the Fourth Proportional to 387,103,246.40, 580,654,869.60 and 341,753,614.40

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Solution

The fourth proportional to 387,103,246.40, 580,654,869.60 and 341,753,614.40 is: 512,630,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,103,246.40 : 580,654,869.60 = 341,753,614.40 : x
  2. Step 2: Convert to fraction form
    387,103,246.40/580,654,869.60 = 341,753,614.40/x
  3. Step 3: Cross multiply
    387,103,246.40x = 580,654,869.60 × 341,753,614.40
  4. Step 4: Simplify right side
    387,103,246.40x = 198,440,900,404,760,672
  5. Step 5: Solve for x
    x = 198,440,900,404,760,672/387,103,246.40
  6. Step 6: Final answer
    x = 512,630,421.60

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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.