Home / 573,712,385.20-860,568,577.80-185,813,599.30

Finding the Fourth Proportional to 573,712,385.20, 860,568,577.80 and 185,813,599.30

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Solution

The fourth proportional to 573,712,385.20, 860,568,577.80 and 185,813,599.30 is: 278,720,398.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,712,385.20 : 860,568,577.80 = 185,813,599.30 : x
  2. Step 2: Convert to fraction form
    573,712,385.20/860,568,577.80 = 185,813,599.30/x
  3. Step 3: Cross multiply
    573,712,385.20x = 860,568,577.80 × 185,813,599.30
  4. Step 4: Simplify right side
    573,712,385.20x = 159,905,344,885,500,064
  5. Step 5: Solve for x
    x = 159,905,344,885,500,064/573,712,385.20
  6. Step 6: Final answer
    x = 278,720,398.95

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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.