Home / 1,109,416,992.75-1,530,966,147.45-633,098,824.20

Finding the Fourth Proportional to 1,109,416,992.75, 1,530,966,147.45 and 633,098,824.20

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Solution

The fourth proportional to 1,109,416,992.75, 1,530,966,147.45 and 633,098,824.20 is: 873,659,655.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,416,992.75 : 1,530,966,147.45 = 633,098,824.20 : x
  2. Step 2: Convert to fraction form
    1,109,416,992.75/1,530,966,147.45 = 633,098,824.20/x
  3. Step 3: Cross multiply
    1,109,416,992.75x = 1,530,966,147.45 × 633,098,824.20
  4. Step 4: Simplify right side
    1,109,416,992.75x = 969,252,867,838,193,024
  5. Step 5: Solve for x
    x = 969,252,867,838,193,024/1,109,416,992.75
  6. Step 6: Final answer
    x = 873,659,655.63

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,109,416,993.75, 1,530,966,148.83 and 633,098,825.20
Similar ratio
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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.