Home / 733,233,621.81-1,011,614,773.19-415,659,820.80

Finding the Fourth Proportional to 733,233,621.81, 1,011,614,773.19 and 415,659,820.80

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Solution

The fourth proportional to 733,233,621.81, 1,011,614,773.19 and 415,659,820.80 is: 573,470,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,233,621.81 : 1,011,614,773.19 = 415,659,820.80 : x
  2. Step 2: Convert to fraction form
    733,233,621.81/1,011,614,773.19 = 415,659,820.80/x
  3. Step 3: Cross multiply
    733,233,621.81x = 1,011,614,773.19 × 415,659,820.80
  4. Step 4: Simplify right side
    733,233,621.81x = 420,487,615,340,709,760
  5. Step 5: Solve for x
    x = 420,487,615,340,709,760/733,233,621.81
  6. Step 6: Final answer
    x = 573,470,177.63

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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.