Home / 379,103,999.90-568,655,999.85-310,229,246.30

Finding the Fourth Proportional to 379,103,999.90, 568,655,999.85 and 310,229,246.30

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Solution

The fourth proportional to 379,103,999.90, 568,655,999.85 and 310,229,246.30 is: 465,343,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,103,999.90 : 568,655,999.85 = 310,229,246.30 : x
  2. Step 2: Convert to fraction form
    379,103,999.90/568,655,999.85 = 310,229,246.30/x
  3. Step 3: Cross multiply
    379,103,999.90x = 568,655,999.85 × 310,229,246.30
  4. Step 4: Simplify right side
    379,103,999.90x = 176,413,722,237,438,432
  5. Step 5: Solve for x
    x = 176,413,722,237,438,432/379,103,999.90
  6. Step 6: Final answer
    x = 465,343,869.45

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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.