Home / 865,754,334.76-1,194,708,974.25-469,268,811.66

Finding the Fourth Proportional to 865,754,334.76, 1,194,708,974.25 and 469,268,811.66

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Solution

The fourth proportional to 865,754,334.76, 1,194,708,974.25 and 469,268,811.66 is: 647,573,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,754,334.76 : 1,194,708,974.25 = 469,268,811.66 : x
  2. Step 2: Convert to fraction form
    865,754,334.76/1,194,708,974.25 = 469,268,811.66/x
  3. Step 3: Cross multiply
    865,754,334.76x = 1,194,708,974.25 × 469,268,811.66
  4. Step 4: Simplify right side
    865,754,334.76x = 560,639,660,625,835,072
  5. Step 5: Solve for x
    x = 560,639,660,625,835,072/865,754,334.76
  6. Step 6: Final answer
    x = 647,573,610.80

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Double scale
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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.