Home / 654,124,217.60-981,186,327.36-265,856,080.64

Finding the Fourth Proportional to 654,124,217.60, 981,186,327.36 and 265,856,080.64

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Solution

The fourth proportional to 654,124,217.60, 981,186,327.36 and 265,856,080.64 is: 398,784,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,124,217.60 : 981,186,327.36 = 265,856,080.64 : x
  2. Step 2: Convert to fraction form
    654,124,217.60/981,186,327.36 = 265,856,080.64/x
  3. Step 3: Cross multiply
    654,124,217.60x = 981,186,327.36 × 265,856,080.64
  4. Step 4: Simplify right side
    654,124,217.60x = 260,854,351,369,485,600
  5. Step 5: Solve for x
    x = 260,854,351,369,485,600/654,124,217.60
  6. Step 6: Final answer
    x = 398,784,121.35

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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.