Home / 820,801,291.32-1,132,700,640.96-444,449,920.08

Finding the Fourth Proportional to 820,801,291.32, 1,132,700,640.96 and 444,449,920.08

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Solution

The fourth proportional to 820,801,291.32, 1,132,700,640.96 and 444,449,920.08 is: 613,338,105.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,801,291.32 : 1,132,700,640.96 = 444,449,920.08 : x
  2. Step 2: Convert to fraction form
    820,801,291.32/1,132,700,640.96 = 444,449,920.08/x
  3. Step 3: Cross multiply
    820,801,291.32x = 1,132,700,640.96 × 444,449,920.08
  4. Step 4: Simplify right side
    820,801,291.32x = 503,428,709,349,236,800
  5. Step 5: Solve for x
    x = 503,428,709,349,236,800/820,801,291.32
  6. Step 6: Final answer
    x = 613,338,105.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.