Home / 508,639,061,010.60-762,958,591,515.90-155,311,008,172.20

Finding the Fourth Proportional to 508,639,061,010.60, 762,958,591,515.90 and 155,311,008,172.20

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Solution

The fourth proportional to 508,639,061,010.60, 762,958,591,515.90 and 155,311,008,172.20 is: 232,966,512,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,639,061,010.60 : 762,958,591,515.90 = 155,311,008,172.20 : x
  2. Step 2: Convert to fraction form
    508,639,061,010.60/762,958,591,515.90 = 155,311,008,172.20/x
  3. Step 3: Cross multiply
    508,639,061,010.60x = 762,958,591,515.90 × 155,311,008,172.20
  4. Step 4: Simplify right side
    508,639,061,010.60x = 118,495,868,041,976,155,734,016
  5. Step 5: Solve for x
    x = 118,495,868,041,976,155,734,016/508,639,061,010.60
  6. Step 6: Final answer
    x = 232,966,512,258.30

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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.