Home / 1,337,856,919.20-2,006,785,378.80-872,952,332.40

Finding the Fourth Proportional to 1,337,856,919.20, 2,006,785,378.80 and 872,952,332.40

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Solution

The fourth proportional to 1,337,856,919.20, 2,006,785,378.80 and 872,952,332.40 is: 1,309,428,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,856,919.20 : 2,006,785,378.80 = 872,952,332.40 : x
  2. Step 2: Convert to fraction form
    1,337,856,919.20/2,006,785,378.80 = 872,952,332.40/x
  3. Step 3: Cross multiply
    1,337,856,919.20x = 2,006,785,378.80 × 872,952,332.40
  4. Step 4: Simplify right side
    1,337,856,919.20x = 1,751,827,977,049,677,312
  5. Step 5: Solve for x
    x = 1,751,827,977,049,677,312/1,337,856,919.20
  6. Step 6: Final answer
    x = 1,309,428,498.60

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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.