Home / 611,582,513.30-917,692,634.55-266,571,016.10

Finding the Fourth Proportional to 611,582,513.30, 917,692,634.55 and 266,571,016.10

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Solution

The fourth proportional to 611,582,513.30, 917,692,634.55 and 266,571,016.10 is: 399,995,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,582,513.30 : 917,692,634.55 = 266,571,016.10 : x
  2. Step 2: Convert to fraction form
    611,582,513.30/917,692,634.55 = 266,571,016.10/x
  3. Step 3: Cross multiply
    611,582,513.30x = 917,692,634.55 × 266,571,016.10
  4. Step 4: Simplify right side
    611,582,513.30x = 244,630,258,059,479,456
  5. Step 5: Solve for x
    x = 244,630,258,059,479,456/611,582,513.30
  6. Step 6: Final answer
    x = 399,995,507.95

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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.