Home / 941,755,551.68-1,299,612,348.10-518,360,160.64

Finding the Fourth Proportional to 941,755,551.68, 1,299,612,348.10 and 518,360,160.64

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Solution

The fourth proportional to 941,755,551.68, 1,299,612,348.10 and 518,360,160.64 is: 715,331,345.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,755,551.68 : 1,299,612,348.10 = 518,360,160.64 : x
  2. Step 2: Convert to fraction form
    941,755,551.68/1,299,612,348.10 = 518,360,160.64/x
  3. Step 3: Cross multiply
    941,755,551.68x = 1,299,612,348.10 × 518,360,160.64
  4. Step 4: Simplify right side
    941,755,551.68x = 673,667,265,530,843,520
  5. Step 5: Solve for x
    x = 673,667,265,530,843,520/941,755,551.68
  6. Step 6: Final answer
    x = 715,331,345.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.