Home / 881,899,935.60-1,217,012,253.24-485,414,448.24

Finding the Fourth Proportional to 881,899,935.60, 1,217,012,253.24 and 485,414,448.24

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Solution

The fourth proportional to 881,899,935.60, 1,217,012,253.24 and 485,414,448.24 is: 669,866,622.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,899,935.60 : 1,217,012,253.24 = 485,414,448.24 : x
  2. Step 2: Convert to fraction form
    881,899,935.60/1,217,012,253.24 = 485,414,448.24/x
  3. Step 3: Cross multiply
    881,899,935.60x = 1,217,012,253.24 × 485,414,448.24
  4. Step 4: Simplify right side
    881,899,935.60x = 590,755,331,407,813,760
  5. Step 5: Solve for x
    x = 590,755,331,407,813,760/881,899,935.60
  6. Step 6: Final answer
    x = 669,866,622.69

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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.