Home / 298,368,000.80-447,552,001.20-217,746,432.80

Finding the Fourth Proportional to 298,368,000.80, 447,552,001.20 and 217,746,432.80

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Solution

The fourth proportional to 298,368,000.80, 447,552,001.20 and 217,746,432.80 is: 326,619,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,368,000.80 : 447,552,001.20 = 217,746,432.80 : x
  2. Step 2: Convert to fraction form
    298,368,000.80/447,552,001.20 = 217,746,432.80/x
  3. Step 3: Cross multiply
    298,368,000.80x = 447,552,001.20 × 217,746,432.80
  4. Step 4: Simplify right side
    298,368,000.80x = 97,452,851,753,801,328
  5. Step 5: Solve for x
    x = 97,452,851,753,801,328/298,368,000.80
  6. Step 6: Final answer
    x = 326,619,649.20

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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.