Home / 9,413,691,267.39-12,990,628,610.40-5,126,807,826.28

Finding the Fourth Proportional to 9,413,691,267.39, 12,990,628,610.40 and 5,126,807,826.28

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Solution

The fourth proportional to 9,413,691,267.39, 12,990,628,610.40 and 5,126,807,826.28 is: 7,074,850,293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,413,691,267.39 : 12,990,628,610.40 = 5,126,807,826.28 : x
  2. Step 2: Convert to fraction form
    9,413,691,267.39/12,990,628,610.40 = 5,126,807,826.28/x
  3. Step 3: Cross multiply
    9,413,691,267.39x = 12,990,628,610.40 × 5,126,807,826.28
  4. Step 4: Simplify right side
    9,413,691,267.39x = 66,600,456,428,095,594,496
  5. Step 5: Solve for x
    x = 66,600,456,428,095,594,496/9,413,691,267.39
  6. Step 6: Final answer
    x = 7,074,850,293.72

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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.