Home / 523,295,999.10-784,943,998.65-159,743,115.90

Finding the Fourth Proportional to 523,295,999.10, 784,943,998.65 and 159,743,115.90

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Solution

The fourth proportional to 523,295,999.10, 784,943,998.65 and 159,743,115.90 is: 239,614,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,295,999.10 : 784,943,998.65 = 159,743,115.90 : x
  2. Step 2: Convert to fraction form
    523,295,999.10/784,943,998.65 = 159,743,115.90/x
  3. Step 3: Cross multiply
    523,295,999.10x = 784,943,998.65 × 159,743,115.90
  4. Step 4: Simplify right side
    523,295,999.10x = 125,389,400,151,356,400
  5. Step 5: Solve for x
    x = 125,389,400,151,356,400/523,295,999.10
  6. Step 6: Final answer
    x = 239,614,673.85

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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.