Home / 1,299,086,072.40-1,948,629,108.60-885,837,550.80

Finding the Fourth Proportional to 1,299,086,072.40, 1,948,629,108.60 and 885,837,550.80

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Solution

The fourth proportional to 1,299,086,072.40, 1,948,629,108.60 and 885,837,550.80 is: 1,328,756,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,086,072.40 : 1,948,629,108.60 = 885,837,550.80 : x
  2. Step 2: Convert to fraction form
    1,299,086,072.40/1,948,629,108.60 = 885,837,550.80/x
  3. Step 3: Cross multiply
    1,299,086,072.40x = 1,948,629,108.60 × 885,837,550.80
  4. Step 4: Simplify right side
    1,299,086,072.40x = 1,726,168,836,979,811,072
  5. Step 5: Solve for x
    x = 1,726,168,836,979,811,072/1,299,086,072.40
  6. Step 6: Final answer
    x = 1,328,756,326.20

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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.