Home / 743,122,813.20-1,114,684,219.80-498,234,800.40

Finding the Fourth Proportional to 743,122,813.20, 1,114,684,219.80 and 498,234,800.40

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Solution

The fourth proportional to 743,122,813.20, 1,114,684,219.80 and 498,234,800.40 is: 747,352,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,122,813.20 : 1,114,684,219.80 = 498,234,800.40 : x
  2. Step 2: Convert to fraction form
    743,122,813.20/1,114,684,219.80 = 498,234,800.40/x
  3. Step 3: Cross multiply
    743,122,813.20x = 1,114,684,219.80 × 498,234,800.40
  4. Step 4: Simplify right side
    743,122,813.20x = 555,374,469,761,082,688
  5. Step 5: Solve for x
    x = 555,374,469,761,082,688/743,122,813.20
  6. Step 6: Final answer
    x = 747,352,200.60

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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.