Home / 337,005,617.40-505,508,426.10-142,883,998.20

Finding the Fourth Proportional to 337,005,617.40, 505,508,426.10 and 142,883,998.20

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Solution

The fourth proportional to 337,005,617.40, 505,508,426.10 and 142,883,998.20 is: 214,325,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,005,617.40 : 505,508,426.10 = 142,883,998.20 : x
  2. Step 2: Convert to fraction form
    337,005,617.40/505,508,426.10 = 142,883,998.20/x
  3. Step 3: Cross multiply
    337,005,617.40x = 505,508,426.10 × 142,883,998.20
  4. Step 4: Simplify right side
    337,005,617.40x = 72,229,065,044,957,232
  5. Step 5: Solve for x
    x = 72,229,065,044,957,232/337,005,617.40
  6. Step 6: Final answer
    x = 214,325,997.30

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Similar ratio
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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.