Home / 498,009,619.80-747,126,404.10-152,979,168.60

Finding the Fourth Proportional to 498,009,619.80, 747,126,404.10 and 152,979,168.60

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Solution

The fourth proportional to 498,009,619.80, 747,126,404.10 and 152,979,168.60 is: 229,503,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,009,619.80 : 747,126,404.10 = 152,979,168.60 : x
  2. Step 2: Convert to fraction form
    498,009,619.80/747,126,404.10 = 152,979,168.60/x
  3. Step 3: Cross multiply
    498,009,619.80x = 747,126,404.10 × 152,979,168.60
  4. Step 4: Simplify right side
    498,009,619.80x = 114,294,776,138,325,632
  5. Step 5: Solve for x
    x = 114,294,776,138,325,632/498,009,619.80
  6. Step 6: Final answer
    x = 229,503,149.33

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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.