Home / 916,656,815.56-1,265,016,960.76-514,841,373.64

Finding the Fourth Proportional to 916,656,815.56, 1,265,016,960.76 and 514,841,373.64

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Solution

The fourth proportional to 916,656,815.56, 1,265,016,960.76 and 514,841,373.64 is: 710,498,257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,656,815.56 : 1,265,016,960.76 = 514,841,373.64 : x
  2. Step 2: Convert to fraction form
    916,656,815.56/1,265,016,960.76 = 514,841,373.64/x
  3. Step 3: Cross multiply
    916,656,815.56x = 1,265,016,960.76 × 514,841,373.64
  4. Step 4: Simplify right side
    916,656,815.56x = 651,283,069,755,576,320
  5. Step 5: Solve for x
    x = 651,283,069,755,576,320/916,656,815.56
  6. Step 6: Final answer
    x = 710,498,257.04

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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.