Home / 542,821,901.37-814,098,331.04-154,648,094.69

Finding the Fourth Proportional to 542,821,901.37, 814,098,331.04 and 154,648,094.69

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Solution

The fourth proportional to 542,821,901.37, 814,098,331.04 and 154,648,094.69 is: 231,933,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,821,901.37 : 814,098,331.04 = 154,648,094.69 : x
  2. Step 2: Convert to fraction form
    542,821,901.37/814,098,331.04 = 154,648,094.69/x
  3. Step 3: Cross multiply
    542,821,901.37x = 814,098,331.04 × 154,648,094.69
  4. Step 4: Simplify right side
    542,821,901.37x = 125,898,755,780,801,152
  5. Step 5: Solve for x
    x = 125,898,755,780,801,152/542,821,901.37
  6. Step 6: Final answer
    x = 231,933,817.45

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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.