Home / 557,005,813.10-835,508,719.66-148,061,963.60

Finding the Fourth Proportional to 557,005,813.10, 835,508,719.66 and 148,061,963.60

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Solution

The fourth proportional to 557,005,813.10, 835,508,719.66 and 148,061,963.60 is: 222,092,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,005,813.10 : 835,508,719.66 = 148,061,963.60 : x
  2. Step 2: Convert to fraction form
    557,005,813.10/835,508,719.66 = 148,061,963.60/x
  3. Step 3: Cross multiply
    557,005,813.10x = 835,508,719.66 × 148,061,963.60
  4. Step 4: Simplify right side
    557,005,813.10x = 123,707,061,637,781,520
  5. Step 5: Solve for x
    x = 123,707,061,637,781,520/557,005,813.10
  6. Step 6: Final answer
    x = 222,092,945.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.