Home / 659,321,937.20-988,132,600.20-505,204,047.20

Finding the Fourth Proportional to 659,321,937.20, 988,132,600.20 and 505,204,047.20

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Solution

The fourth proportional to 659,321,937.20, 988,132,600.20 and 505,204,047.20 is: 757,154,525.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,321,937.20 : 988,132,600.20 = 505,204,047.20 : x
  2. Step 2: Convert to fraction form
    659,321,937.20/988,132,600.20 = 505,204,047.20/x
  3. Step 3: Cross multiply
    659,321,937.20x = 988,132,600.20 × 505,204,047.20
  4. Step 4: Simplify right side
    659,321,937.20x = 499,208,588,791,299,520
  5. Step 5: Solve for x
    x = 499,208,588,791,299,520/659,321,937.20
  6. Step 6: Final answer
    x = 757,154,525.92

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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.