Home / 864,346,966.34-1,296,433,194.28-586,014,997.73

Finding the Fourth Proportional to 864,346,966.34, 1,296,433,194.28 and 586,014,997.73

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Solution

The fourth proportional to 864,346,966.34, 1,296,433,194.28 and 586,014,997.73 is: 878,963,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,346,966.34 : 1,296,433,194.28 = 586,014,997.73 : x
  2. Step 2: Convert to fraction form
    864,346,966.34/1,296,433,194.28 = 586,014,997.73/x
  3. Step 3: Cross multiply
    864,346,966.34x = 1,296,433,194.28 × 586,014,997.73
  4. Step 4: Simplify right side
    864,346,966.34x = 759,729,295,395,143,680
  5. Step 5: Solve for x
    x = 759,729,295,395,143,680/864,346,966.34
  6. Step 6: Final answer
    x = 878,963,338.78

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Double scale
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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.