Home / 532,465,237.20-798,697,855.80-442,885,717.20

Finding the Fourth Proportional to 532,465,237.20, 798,697,855.80 and 442,885,717.20

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Solution

The fourth proportional to 532,465,237.20, 798,697,855.80 and 442,885,717.20 is: 664,328,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,465,237.20 : 798,697,855.80 = 442,885,717.20 : x
  2. Step 2: Convert to fraction form
    532,465,237.20/798,697,855.80 = 442,885,717.20/x
  3. Step 3: Cross multiply
    532,465,237.20x = 798,697,855.80 × 442,885,717.20
  4. Step 4: Simplify right side
    532,465,237.20x = 353,731,872,692,085,120
  5. Step 5: Solve for x
    x = 353,731,872,692,085,120/532,465,237.20
  6. Step 6: Final answer
    x = 664,328,575.80

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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.