Home / 865,180,840.60-1,193,944,654.02-468,711,584.56

Finding the Fourth Proportional to 865,180,840.60, 1,193,944,654.02 and 468,711,584.56

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Solution

The fourth proportional to 865,180,840.60, 1,193,944,654.02 and 468,711,584.56 is: 646,819,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,180,840.60 : 1,193,944,654.02 = 468,711,584.56 : x
  2. Step 2: Convert to fraction form
    865,180,840.60/1,193,944,654.02 = 468,711,584.56/x
  3. Step 3: Cross multiply
    865,180,840.60x = 1,193,944,654.02 × 468,711,584.56
  4. Step 4: Simplify right side
    865,180,840.60x = 559,615,690,662,655,168
  5. Step 5: Solve for x
    x = 559,615,690,662,655,168/865,180,840.60
  6. Step 6: Final answer
    x = 646,819,328.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.