Home / 1,177,418,572.74-1,624,764,419.42-648,752,974.16

Finding the Fourth Proportional to 1,177,418,572.74, 1,624,764,419.42 and 648,752,974.16

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Solution

The fourth proportional to 1,177,418,572.74, 1,624,764,419.42 and 648,752,974.16 is: 895,238,765.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,418,572.74 : 1,624,764,419.42 = 648,752,974.16 : x
  2. Step 2: Convert to fraction form
    1,177,418,572.74/1,624,764,419.42 = 648,752,974.16/x
  3. Step 3: Cross multiply
    1,177,418,572.74x = 1,624,764,419.42 × 648,752,974.16
  4. Step 4: Simplify right side
    1,177,418,572.74x = 1,054,070,749,396,702,976
  5. Step 5: Solve for x
    x = 1,054,070,749,396,702,976/1,177,418,572.74
  6. Step 6: Final answer
    x = 895,238,765.38

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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.