Home / 896,990,608.40-1,345,485,912.60-655,125,904.40

Finding the Fourth Proportional to 896,990,608.40, 1,345,485,912.60 and 655,125,904.40

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Solution

The fourth proportional to 896,990,608.40, 1,345,485,912.60 and 655,125,904.40 is: 982,688,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,990,608.40 : 1,345,485,912.60 = 655,125,904.40 : x
  2. Step 2: Convert to fraction form
    896,990,608.40/1,345,485,912.60 = 655,125,904.40/x
  3. Step 3: Cross multiply
    896,990,608.40x = 1,345,485,912.60 × 655,125,904.40
  4. Step 4: Simplify right side
    896,990,608.40x = 881,462,675,349,534,208
  5. Step 5: Solve for x
    x = 881,462,675,349,534,208/896,990,608.40
  6. Step 6: Final answer
    x = 982,688,856.60

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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.