Home / 2,689,856,177.80-4,034,784,266.70-1,312,361,105.80

Finding the Fourth Proportional to 2,689,856,177.80, 4,034,784,266.70 and 1,312,361,105.80

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Solution

The fourth proportional to 2,689,856,177.80, 4,034,784,266.70 and 1,312,361,105.80 is: 1,968,541,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,856,177.80 : 4,034,784,266.70 = 1,312,361,105.80 : x
  2. Step 2: Convert to fraction form
    2,689,856,177.80/4,034,784,266.70 = 1,312,361,105.80/x
  3. Step 3: Cross multiply
    2,689,856,177.80x = 4,034,784,266.70 × 1,312,361,105.80
  4. Step 4: Simplify right side
    2,689,856,177.80x = 5,295,093,941,910,853,632
  5. Step 5: Solve for x
    x = 5,295,093,941,910,853,632/2,689,856,177.80
  6. Step 6: Final answer
    x = 1,968,541,658.70

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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.