Home / 896,985,245.15-1,345,477,867.73-655,120,541.15

Finding the Fourth Proportional to 896,985,245.15, 1,345,477,867.73 and 655,120,541.15

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Solution

The fourth proportional to 896,985,245.15, 1,345,477,867.73 and 655,120,541.15 is: 982,680,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,985,245.15 : 1,345,477,867.73 = 655,120,541.15 : x
  2. Step 2: Convert to fraction form
    896,985,245.15/1,345,477,867.73 = 655,120,541.15/x
  3. Step 3: Cross multiply
    896,985,245.15x = 1,345,477,867.73 × 655,120,541.15
  4. Step 4: Simplify right side
    896,985,245.15x = 881,450,188,812,625,664
  5. Step 5: Solve for x
    x = 881,450,188,812,625,664/896,985,245.15
  6. Step 6: Final answer
    x = 982,680,811.73

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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.