Home / 896,985,940.40-1,345,478,910.60-655,121,236.40

Finding the Fourth Proportional to 896,985,940.40, 1,345,478,910.60 and 655,121,236.40

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Solution

The fourth proportional to 896,985,940.40, 1,345,478,910.60 and 655,121,236.40 is: 982,681,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,985,940.40 : 1,345,478,910.60 = 655,121,236.40 : x
  2. Step 2: Convert to fraction form
    896,985,940.40/1,345,478,910.60 = 655,121,236.40/x
  3. Step 3: Cross multiply
    896,985,940.40x = 1,345,478,910.60 × 655,121,236.40
  4. Step 4: Simplify right side
    896,985,940.40x = 881,451,807,462,396,928
  5. Step 5: Solve for x
    x = 881,451,807,462,396,928/896,985,940.40
  6. Step 6: Final answer
    x = 982,681,854.60

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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.