Home / 498,226,965.90-747,340,448.85-343,258,770.30

Finding the Fourth Proportional to 498,226,965.90, 747,340,448.85 and 343,258,770.30

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Solution

The fourth proportional to 498,226,965.90, 747,340,448.85 and 343,258,770.30 is: 514,888,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,226,965.90 : 747,340,448.85 = 343,258,770.30 : x
  2. Step 2: Convert to fraction form
    498,226,965.90/747,340,448.85 = 343,258,770.30/x
  3. Step 3: Cross multiply
    498,226,965.90x = 747,340,448.85 × 343,258,770.30
  4. Step 4: Simplify right side
    498,226,965.90x = 256,531,163,467,701,056
  5. Step 5: Solve for x
    x = 256,531,163,467,701,056/498,226,965.90
  6. Step 6: Final answer
    x = 514,888,155.45

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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.