Home / 12,265,655,445.70-18,398,483,168.55-5,281,812,117.70

Finding the Fourth Proportional to 12,265,655,445.70, 18,398,483,168.55 and 5,281,812,117.70

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Solution

The fourth proportional to 12,265,655,445.70, 18,398,483,168.55 and 5,281,812,117.70 is: 7,922,718,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265,655,445.70 : 18,398,483,168.55 = 5,281,812,117.70 : x
  2. Step 2: Convert to fraction form
    12,265,655,445.70/18,398,483,168.55 = 5,281,812,117.70/x
  3. Step 3: Cross multiply
    12,265,655,445.70x = 18,398,483,168.55 × 5,281,812,117.70
  4. Step 4: Simplify right side
    12,265,655,445.70x = 97,177,331,346,946,867,200
  5. Step 5: Solve for x
    x = 97,177,331,346,946,867,200/12,265,655,445.70
  6. Step 6: Final answer
    x = 7,922,718,176.55

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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.