Home / 485,276,347.40-727,914,521.10-322,017,672.20

Finding the Fourth Proportional to 485,276,347.40, 727,914,521.10 and 322,017,672.20

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Solution

The fourth proportional to 485,276,347.40, 727,914,521.10 and 322,017,672.20 is: 483,026,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,276,347.40 : 727,914,521.10 = 322,017,672.20 : x
  2. Step 2: Convert to fraction form
    485,276,347.40/727,914,521.10 = 322,017,672.20/x
  3. Step 3: Cross multiply
    485,276,347.40x = 727,914,521.10 × 322,017,672.20
  4. Step 4: Simplify right side
    485,276,347.40x = 234,401,339,645,199,776
  5. Step 5: Solve for x
    x = 234,401,339,645,199,776/485,276,347.40
  6. Step 6: Final answer
    x = 483,026,508.30

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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.