Home / 524,880,883.40-787,321,325.10-161,328,000.20

Finding the Fourth Proportional to 524,880,883.40, 787,321,325.10 and 161,328,000.20

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Solution

The fourth proportional to 524,880,883.40, 787,321,325.10 and 161,328,000.20 is: 241,992,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,880,883.40 : 787,321,325.10 = 161,328,000.20 : x
  2. Step 2: Convert to fraction form
    524,880,883.40/787,321,325.10 = 161,328,000.20/x
  3. Step 3: Cross multiply
    524,880,883.40x = 787,321,325.10 × 161,328,000.20
  4. Step 4: Simplify right side
    524,880,883.40x = 127,016,974,893,197,056
  5. Step 5: Solve for x
    x = 127,016,974,893,197,056/524,880,883.40
  6. Step 6: Final answer
    x = 241,992,000.30

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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.