Home / 2,485,693,920.96-3,729,032,057.04-911,815,839.12

Finding the Fourth Proportional to 2,485,693,920.96, 3,729,032,057.04 and 911,815,839.12

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Solution

The fourth proportional to 2,485,693,920.96, 3,729,032,057.04 and 911,815,839.12 is: 1,367,903,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,693,920.96 : 3,729,032,057.04 = 911,815,839.12 : x
  2. Step 2: Convert to fraction form
    2,485,693,920.96/3,729,032,057.04 = 911,815,839.12/x
  3. Step 3: Cross multiply
    2,485,693,920.96x = 3,729,032,057.04 × 911,815,839.12
  4. Step 4: Simplify right side
    2,485,693,920.96x = 3,400,190,494,195,307,520
  5. Step 5: Solve for x
    x = 3,400,190,494,195,307,520/2,485,693,920.96
  6. Step 6: Final answer
    x = 1,367,903,934.40

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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.