Home / 996,453,958.80-1,494,680,938.20-686,517,567.60

Finding the Fourth Proportional to 996,453,958.80, 1,494,680,938.20 and 686,517,567.60

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Solution

The fourth proportional to 996,453,958.80, 1,494,680,938.20 and 686,517,567.60 is: 1,029,776,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,453,958.80 : 1,494,680,938.20 = 686,517,567.60 : x
  2. Step 2: Convert to fraction form
    996,453,958.80/1,494,680,938.20 = 686,517,567.60/x
  3. Step 3: Cross multiply
    996,453,958.80x = 1,494,680,938.20 × 686,517,567.60
  4. Step 4: Simplify right side
    996,453,958.80x = 1,026,124,722,031,149,952
  5. Step 5: Solve for x
    x = 1,026,124,722,031,149,952/996,453,958.80
  6. Step 6: Final answer
    x = 1,029,776,351.40

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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.