Home / 896,985,221.90-1,345,477,832.85-655,120,517.90

Finding the Fourth Proportional to 896,985,221.90, 1,345,477,832.85 and 655,120,517.90

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Solution

The fourth proportional to 896,985,221.90, 1,345,477,832.85 and 655,120,517.90 is: 982,680,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,985,221.90 : 1,345,477,832.85 = 655,120,517.90 : x
  2. Step 2: Convert to fraction form
    896,985,221.90/1,345,477,832.85 = 655,120,517.90/x
  3. Step 3: Cross multiply
    896,985,221.90x = 1,345,477,832.85 × 655,120,517.90
  4. Step 4: Simplify right side
    896,985,221.90x = 881,450,134,679,661,568
  5. Step 5: Solve for x
    x = 881,450,134,679,661,568/896,985,221.90
  6. Step 6: Final answer
    x = 982,680,776.85

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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.