Home / 1,237,215,605.76-1,707,418,826.84-767,468,279.25

Finding the Fourth Proportional to 1,237,215,605.76, 1,707,418,826.84 and 767,468,279.25

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Solution

The fourth proportional to 1,237,215,605.76, 1,707,418,826.84 and 767,468,279.25 is: 1,059,144,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,215,605.76 : 1,707,418,826.84 = 767,468,279.25 : x
  2. Step 2: Convert to fraction form
    1,237,215,605.76/1,707,418,826.84 = 767,468,279.25/x
  3. Step 3: Cross multiply
    1,237,215,605.76x = 1,707,418,826.84 × 767,468,279.25
  4. Step 4: Simplify right side
    1,237,215,605.76x = 1,310,389,788,995,867,136
  5. Step 5: Solve for x
    x = 1,310,389,788,995,867,136/1,237,215,605.76
  6. Step 6: Final answer
    x = 1,059,144,245.27

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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.