Home / 443,331,257.40-664,996,886.10-374,456,503.80

Finding the Fourth Proportional to 443,331,257.40, 664,996,886.10 and 374,456,503.80

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Solution

The fourth proportional to 443,331,257.40, 664,996,886.10 and 374,456,503.80 is: 561,684,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,331,257.40 : 664,996,886.10 = 374,456,503.80 : x
  2. Step 2: Convert to fraction form
    443,331,257.40/664,996,886.10 = 374,456,503.80/x
  3. Step 3: Cross multiply
    443,331,257.40x = 664,996,886.10 × 374,456,503.80
  4. Step 4: Simplify right side
    443,331,257.40x = 249,012,409,006,892,832
  5. Step 5: Solve for x
    x = 249,012,409,006,892,832/443,331,257.40
  6. Step 6: Final answer
    x = 561,684,755.70

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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.