Home / 881,900,022.36-1,217,012,372.46-485,414,535

Finding the Fourth Proportional to 881,900,022.36, 1,217,012,372.46 and 485,414,535

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Solution

The fourth proportional to 881,900,022.36, 1,217,012,372.46 and 485,414,535 is: 669,866,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,900,022.36 : 1,217,012,372.46 = 485,414,535 : x
  2. Step 2: Convert to fraction form
    881,900,022.36/1,217,012,372.46 = 485,414,535/x
  3. Step 3: Cross multiply
    881,900,022.36x = 1,217,012,372.46 × 485,414,535
  4. Step 4: Simplify right side
    881,900,022.36x = 590,755,494,866,917,760
  5. Step 5: Solve for x
    x = 590,755,494,866,917,760/881,900,022.36
  6. Step 6: Final answer
    x = 669,866,742.13

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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.