Home / 654,124,189.60-981,186,285.36-265,856,052.64

Finding the Fourth Proportional to 654,124,189.60, 981,186,285.36 and 265,856,052.64

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Solution

The fourth proportional to 654,124,189.60, 981,186,285.36 and 265,856,052.64 is: 398,784,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,124,189.60 : 981,186,285.36 = 265,856,052.64 : x
  2. Step 2: Convert to fraction form
    654,124,189.60/981,186,285.36 = 265,856,052.64/x
  3. Step 3: Cross multiply
    654,124,189.60x = 981,186,285.36 × 265,856,052.64
  4. Step 4: Simplify right side
    654,124,189.60x = 260,854,312,730,314,208
  5. Step 5: Solve for x
    x = 260,854,312,730,314,208/654,124,189.60
  6. Step 6: Final answer
    x = 398,784,079.35

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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.