Home / 524,880,882.40-787,321,323.60-161,327,999.20

Finding the Fourth Proportional to 524,880,882.40, 787,321,323.60 and 161,327,999.20

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Solution

The fourth proportional to 524,880,882.40, 787,321,323.60 and 161,327,999.20 is: 241,991,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,880,882.40 : 787,321,323.60 = 161,327,999.20 : x
  2. Step 2: Convert to fraction form
    524,880,882.40/787,321,323.60 = 161,327,999.20/x
  3. Step 3: Cross multiply
    524,880,882.40x = 787,321,323.60 × 161,327,999.20
  4. Step 4: Simplify right side
    524,880,882.40x = 127,016,973,863,883,728
  5. Step 5: Solve for x
    x = 127,016,973,863,883,728/524,880,882.40
  6. Step 6: Final answer
    x = 241,991,998.80

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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.