Home / 913,752,785.28-1,260,972,072.69-496,054,331.04

Finding the Fourth Proportional to 913,752,785.28, 1,260,972,072.69 and 496,054,331.04

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Solution

The fourth proportional to 913,752,785.28, 1,260,972,072.69 and 496,054,331.04 is: 684,551,301.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,752,785.28 : 1,260,972,072.69 = 496,054,331.04 : x
  2. Step 2: Convert to fraction form
    913,752,785.28/1,260,972,072.69 = 496,054,331.04/x
  3. Step 3: Cross multiply
    913,752,785.28x = 1,260,972,072.69 × 496,054,331.04
  4. Step 4: Simplify right side
    913,752,785.28x = 625,510,657,978,360,320
  5. Step 5: Solve for x
    x = 625,510,657,978,360,320/913,752,785.28
  6. Step 6: Final answer
    x = 684,551,301.02

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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.