Home / 957,418,465.91-1,321,180,542.33-555,501,078.66

Finding the Fourth Proportional to 957,418,465.91, 1,321,180,542.33 and 555,501,078.66

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Solution

The fourth proportional to 957,418,465.91, 1,321,180,542.33 and 555,501,078.66 is: 766,558,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,418,465.91 : 1,321,180,542.33 = 555,501,078.66 : x
  2. Step 2: Convert to fraction form
    957,418,465.91/1,321,180,542.33 = 555,501,078.66/x
  3. Step 3: Cross multiply
    957,418,465.91x = 1,321,180,542.33 × 555,501,078.66
  4. Step 4: Simplify right side
    957,418,465.91x = 733,917,216,368,918,656
  5. Step 5: Solve for x
    x = 733,917,216,368,918,656/957,418,465.91
  6. Step 6: Final answer
    x = 766,558,451.19

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Double scale
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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.