Home / 754,216,945.14-1,040,229,746.64-489,984,073.53

Finding the Fourth Proportional to 754,216,945.14, 1,040,229,746.64 and 489,984,073.53

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Solution

The fourth proportional to 754,216,945.14, 1,040,229,746.64 and 489,984,073.53 is: 675,794,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,216,945.14 : 1,040,229,746.64 = 489,984,073.53 : x
  2. Step 2: Convert to fraction form
    754,216,945.14/1,040,229,746.64 = 489,984,073.53/x
  3. Step 3: Cross multiply
    754,216,945.14x = 1,040,229,746.64 × 489,984,073.53
  4. Step 4: Simplify right side
    754,216,945.14x = 509,696,008,665,747,008
  5. Step 5: Solve for x
    x = 509,696,008,665,747,008/754,216,945.14
  6. Step 6: Final answer
    x = 675,794,957.87

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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.