Home / 517,948,469.80-776,922,704.70-354,689,794.60

Finding the Fourth Proportional to 517,948,469.80, 776,922,704.70 and 354,689,794.60

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Solution

The fourth proportional to 517,948,469.80, 776,922,704.70 and 354,689,794.60 is: 532,034,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,948,469.80 : 776,922,704.70 = 354,689,794.60 : x
  2. Step 2: Convert to fraction form
    517,948,469.80/776,922,704.70 = 354,689,794.60/x
  3. Step 3: Cross multiply
    517,948,469.80x = 776,922,704.70 × 354,689,794.60
  4. Step 4: Simplify right side
    517,948,469.80x = 275,566,554,550,119,488
  5. Step 5: Solve for x
    x = 275,566,554,550,119,488/517,948,469.80
  6. Step 6: Final answer
    x = 532,034,691.90

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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.