Home / 484,785,129.20-727,177,693.80-477,132,378.80

Finding the Fourth Proportional to 484,785,129.20, 727,177,693.80 and 477,132,378.80

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Solution

The fourth proportional to 484,785,129.20, 727,177,693.80 and 477,132,378.80 is: 715,698,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,785,129.20 : 727,177,693.80 = 477,132,378.80 : x
  2. Step 2: Convert to fraction form
    484,785,129.20/727,177,693.80 = 477,132,378.80/x
  3. Step 3: Cross multiply
    484,785,129.20x = 727,177,693.80 × 477,132,378.80
  4. Step 4: Simplify right side
    484,785,129.20x = 346,960,022,853,091,968
  5. Step 5: Solve for x
    x = 346,960,022,853,091,968/484,785,129.20
  6. Step 6: Final answer
    x = 715,698,568.20

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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.