Home / 12,265,655,427.70-18,398,483,141.55-5,281,812,099.70

Finding the Fourth Proportional to 12,265,655,427.70, 18,398,483,141.55 and 5,281,812,099.70

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Solution

The fourth proportional to 12,265,655,427.70, 18,398,483,141.55 and 5,281,812,099.70 is: 7,922,718,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265,655,427.70 : 18,398,483,141.55 = 5,281,812,099.70 : x
  2. Step 2: Convert to fraction form
    12,265,655,427.70/18,398,483,141.55 = 5,281,812,099.70/x
  3. Step 3: Cross multiply
    12,265,655,427.70x = 18,398,483,141.55 × 5,281,812,099.70
  4. Step 4: Simplify right side
    12,265,655,427.70x = 97,177,330,873,165,250,560
  5. Step 5: Solve for x
    x = 97,177,330,873,165,250,560/12,265,655,427.70
  6. Step 6: Final answer
    x = 7,922,718,149.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.