Home / 460,655,982.90-690,983,974.35-149,762,997.90

Finding the Fourth Proportional to 460,655,982.90, 690,983,974.35 and 149,762,997.90

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Solution

The fourth proportional to 460,655,982.90, 690,983,974.35 and 149,762,997.90 is: 224,644,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,655,982.90 : 690,983,974.35 = 149,762,997.90 : x
  2. Step 2: Convert to fraction form
    460,655,982.90/690,983,974.35 = 149,762,997.90/x
  3. Step 3: Cross multiply
    460,655,982.90x = 690,983,974.35 × 149,762,997.90
  4. Step 4: Simplify right side
    460,655,982.90x = 103,483,831,499,512,704
  5. Step 5: Solve for x
    x = 103,483,831,499,512,704/460,655,982.90
  6. Step 6: Final answer
    x = 224,644,496.85

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1.5x scale

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.