Home / 697,615,414.92-1,046,388,338.82-260,883,991.80

Finding the Fourth Proportional to 697,615,414.92, 1,046,388,338.82 and 260,883,991.80

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Solution

The fourth proportional to 697,615,414.92, 1,046,388,338.82 and 260,883,991.80 is: 391,312,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,615,414.92 : 1,046,388,338.82 = 260,883,991.80 : x
  2. Step 2: Convert to fraction form
    697,615,414.92/1,046,388,338.82 = 260,883,991.80/x
  3. Step 3: Cross multiply
    697,615,414.92x = 1,046,388,338.82 × 260,883,991.80
  4. Step 4: Simplify right side
    697,615,414.92x = 272,985,966,804,332,512
  5. Step 5: Solve for x
    x = 272,985,966,804,332,512/697,615,414.92
  6. Step 6: Final answer
    x = 391,312,979.85

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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.