Home / 12,265,655,476.20-18,398,483,214.30-5,281,812,148.20

Finding the Fourth Proportional to 12,265,655,476.20, 18,398,483,214.30 and 5,281,812,148.20

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Solution

The fourth proportional to 12,265,655,476.20, 18,398,483,214.30 and 5,281,812,148.20 is: 7,922,718,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265,655,476.20 : 18,398,483,214.30 = 5,281,812,148.20 : x
  2. Step 2: Convert to fraction form
    12,265,655,476.20/18,398,483,214.30 = 5,281,812,148.20/x
  3. Step 3: Cross multiply
    12,265,655,476.20x = 18,398,483,214.30 × 5,281,812,148.20
  4. Step 4: Simplify right side
    12,265,655,476.20x = 97,177,332,149,743,517,696
  5. Step 5: Solve for x
    x = 97,177,332,149,743,517,696/12,265,655,476.20
  6. Step 6: Final answer
    x = 7,922,718,222.30

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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.