Home / 913,524,564.50-1,260,630,141.92-495,827,881.73

Finding the Fourth Proportional to 913,524,564.50, 1,260,630,141.92 and 495,827,881.73

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Solution

The fourth proportional to 913,524,564.50, 1,260,630,141.92 and 495,827,881.73 is: 684,224,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,524,564.50 : 1,260,630,141.92 = 495,827,881.73 : x
  2. Step 2: Convert to fraction form
    913,524,564.50/1,260,630,141.92 = 495,827,881.73/x
  3. Step 3: Cross multiply
    913,524,564.50x = 1,260,630,141.92 × 495,827,881.73
  4. Step 4: Simplify right side
    913,524,564.50x = 625,055,572,910,703,744
  5. Step 5: Solve for x
    x = 625,055,572,910,703,744/913,524,564.50
  6. Step 6: Final answer
    x = 684,224,154.66

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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.