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Finding the Fourth Proportional to 1,026,707,685.36, 1,416,846,962.52 and 556,819,375.92

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Solution

The fourth proportional to 1,026,707,685.36, 1,416,846,962.52 and 556,819,375.92 is: 768,405,508.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,707,685.36 : 1,416,846,962.52 = 556,819,375.92 : x
  2. Step 2: Convert to fraction form
    1,026,707,685.36/1,416,846,962.52 = 556,819,375.92/x
  3. Step 3: Cross multiply
    1,026,707,685.36x = 1,416,846,962.52 × 556,819,375.92
  4. Step 4: Simplify right side
    1,026,707,685.36x = 788,927,841,444,534,016
  5. Step 5: Solve for x
    x = 788,927,841,444,534,016/1,026,707,685.36
  6. Step 6: Final answer
    x = 768,405,508.88

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Double scale
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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.