Home / 629,856,718.40-944,785,077.60-433,436,124.80

Finding the Fourth Proportional to 629,856,718.40, 944,785,077.60 and 433,436,124.80

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Solution

The fourth proportional to 629,856,718.40, 944,785,077.60 and 433,436,124.80 is: 650,154,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,718.40 : 944,785,077.60 = 433,436,124.80 : x
  2. Step 2: Convert to fraction form
    629,856,718.40/944,785,077.60 = 433,436,124.80/x
  3. Step 3: Cross multiply
    629,856,718.40x = 944,785,077.60 × 433,436,124.80
  4. Step 4: Simplify right side
    629,856,718.40x = 409,503,982,803,811,328
  5. Step 5: Solve for x
    x = 409,503,982,803,811,328/629,856,718.40
  6. Step 6: Final answer
    x = 650,154,187.20

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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.