Home / 1,067,121,840.80-1,600,682,761.20-885,723,312.80

Finding the Fourth Proportional to 1,067,121,840.80, 1,600,682,761.20 and 885,723,312.80

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Solution

The fourth proportional to 1,067,121,840.80, 1,600,682,761.20 and 885,723,312.80 is: 1,328,584,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,121,840.80 : 1,600,682,761.20 = 885,723,312.80 : x
  2. Step 2: Convert to fraction form
    1,067,121,840.80/1,600,682,761.20 = 885,723,312.80/x
  3. Step 3: Cross multiply
    1,067,121,840.80x = 1,600,682,761.20 × 885,723,312.80
  4. Step 4: Simplify right side
    1,067,121,840.80x = 1,417,762,037,991,915,264
  5. Step 5: Solve for x
    x = 1,417,762,037,991,915,264/1,067,121,840.80
  6. Step 6: Final answer
    x = 1,328,584,969.20

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Double scale
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1.5x scale

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.