Home / 791,615,546.20-1,187,752,656.80-348,731,561.64

Finding the Fourth Proportional to 791,615,546.20, 1,187,752,656.80 and 348,731,561.64

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Solution

The fourth proportional to 791,615,546.20, 1,187,752,656.80 and 348,731,561.64 is: 523,242,425.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,615,546.20 : 1,187,752,656.80 = 348,731,561.64 : x
  2. Step 2: Convert to fraction form
    791,615,546.20/1,187,752,656.80 = 348,731,561.64/x
  3. Step 3: Cross multiply
    791,615,546.20x = 1,187,752,656.80 × 348,731,561.64
  4. Step 4: Simplify right side
    791,615,546.20x = 414,206,838,847,922,944
  5. Step 5: Solve for x
    x = 414,206,838,847,922,944/791,615,546.20
  6. Step 6: Final answer
    x = 523,242,425.99

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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.