Home / 1,182,215,841.46-1,631,491,910.98-653,613,878.20

Finding the Fourth Proportional to 1,182,215,841.46, 1,631,491,910.98 and 653,613,878.20

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Solution

The fourth proportional to 1,182,215,841.46, 1,631,491,910.98 and 653,613,878.20 is: 902,005,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,215,841.46 : 1,631,491,910.98 = 653,613,878.20 : x
  2. Step 2: Convert to fraction form
    1,182,215,841.46/1,631,491,910.98 = 653,613,878.20/x
  3. Step 3: Cross multiply
    1,182,215,841.46x = 1,631,491,910.98 × 653,613,878.20
  4. Step 4: Simplify right side
    1,182,215,841.46x = 1,066,365,755,189,934,336
  5. Step 5: Solve for x
    x = 1,066,365,755,189,934,336/1,182,215,841.46
  6. Step 6: Final answer
    x = 902,005,977.07

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Double scale
Find fourth proportional to 1,182,215,842.46, 1,631,491,912.36 and 653,613,879.20
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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.