Home / 865,754,443.76-1,194,709,124.13-469,268,920.44

Finding the Fourth Proportional to 865,754,443.76, 1,194,709,124.13 and 469,268,920.44

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Solution

The fourth proportional to 865,754,443.76, 1,194,709,124.13 and 469,268,920.44 is: 647,573,760.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,754,443.76 : 1,194,709,124.13 = 469,268,920.44 : x
  2. Step 2: Convert to fraction form
    865,754,443.76/1,194,709,124.13 = 469,268,920.44/x
  3. Step 3: Cross multiply
    865,754,443.76x = 1,194,709,124.13 × 469,268,920.44
  4. Step 4: Simplify right side
    865,754,443.76x = 560,639,860,920,303,104
  5. Step 5: Solve for x
    x = 560,639,860,920,303,104/865,754,443.76
  6. Step 6: Final answer
    x = 647,573,760.62

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Double scale
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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.