Home / 957,418,464.91-1,321,180,540.95-555,501,077.66

Finding the Fourth Proportional to 957,418,464.91, 1,321,180,540.95 and 555,501,077.66

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Solution

The fourth proportional to 957,418,464.91, 1,321,180,540.95 and 555,501,077.66 is: 766,558,449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,418,464.91 : 1,321,180,540.95 = 555,501,077.66 : x
  2. Step 2: Convert to fraction form
    957,418,464.91/1,321,180,540.95 = 555,501,077.66/x
  3. Step 3: Cross multiply
    957,418,464.91x = 1,321,180,540.95 × 555,501,077.66
  4. Step 4: Simplify right side
    957,418,464.91x = 733,917,214,281,146,752
  5. Step 5: Solve for x
    x = 733,917,214,281,146,752/957,418,464.91
  6. Step 6: Final answer
    x = 766,558,449.81

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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.