Home / 784,999,498.59-1,083,350,158.74-450,486,120.83

Finding the Fourth Proportional to 784,999,498.59, 1,083,350,158.74 and 450,486,120.83

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Solution

The fourth proportional to 784,999,498.59, 1,083,350,158.74 and 450,486,120.83 is: 621,700,028.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,999,498.59 : 1,083,350,158.74 = 450,486,120.83 : x
  2. Step 2: Convert to fraction form
    784,999,498.59/1,083,350,158.74 = 450,486,120.83/x
  3. Step 3: Cross multiply
    784,999,498.59x = 1,083,350,158.74 × 450,486,120.83
  4. Step 4: Simplify right side
    784,999,498.59x = 488,034,210,505,930,560
  5. Step 5: Solve for x
    x = 488,034,210,505,930,560/784,999,498.59
  6. Step 6: Final answer
    x = 621,700,028.32

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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.