Home / 791,345,711.48-1,092,187,851.18-439,035,209.24

Finding the Fourth Proportional to 791,345,711.48, 1,092,187,851.18 and 439,035,209.24

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Solution

The fourth proportional to 791,345,711.48, 1,092,187,851.18 and 439,035,209.24 is: 605,941,139.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,345,711.48 : 1,092,187,851.18 = 439,035,209.24 : x
  2. Step 2: Convert to fraction form
    791,345,711.48/1,092,187,851.18 = 439,035,209.24/x
  3. Step 3: Cross multiply
    791,345,711.48x = 1,092,187,851.18 × 439,035,209.24
  4. Step 4: Simplify right side
    791,345,711.48x = 479,508,921,772,197,312
  5. Step 5: Solve for x
    x = 479,508,921,772,197,312/791,345,711.48
  6. Step 6: Final answer
    x = 605,941,139.02

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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.