Home / 819,546,158.31-1,229,321,336.99-334,871,966.31

Finding the Fourth Proportional to 819,546,158.31, 1,229,321,336.99 and 334,871,966.31

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Solution

The fourth proportional to 819,546,158.31, 1,229,321,336.99 and 334,871,966.31 is: 502,308,807.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,546,158.31 : 1,229,321,336.99 = 334,871,966.31 : x
  2. Step 2: Convert to fraction form
    819,546,158.31/1,229,321,336.99 = 334,871,966.31/x
  3. Step 3: Cross multiply
    819,546,158.31x = 1,229,321,336.99 × 334,871,966.31
  4. Step 4: Simplify right side
    819,546,158.31x = 411,665,253,343,005,056
  5. Step 5: Solve for x
    x = 411,665,253,343,005,056/819,546,158.31
  6. Step 6: Final answer
    x = 502,308,807.34

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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.