Home / 426,494,209.27-639,765,244.55-119,762,407.03

Finding the Fourth Proportional to 426,494,209.27, 639,765,244.55 and 119,762,407.03

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Solution

The fourth proportional to 426,494,209.27, 639,765,244.55 and 119,762,407.03 is: 179,650,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,494,209.27 : 639,765,244.55 = 119,762,407.03 : x
  2. Step 2: Convert to fraction form
    426,494,209.27/639,765,244.55 = 119,762,407.03/x
  3. Step 3: Cross multiply
    426,494,209.27x = 639,765,244.55 × 119,762,407.03
  4. Step 4: Simplify right side
    426,494,209.27x = 76,619,825,621,444,592
  5. Step 5: Solve for x
    x = 76,619,825,621,444,592/426,494,209.27
  6. Step 6: Final answer
    x = 179,650,330.43

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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.