Home / 323,543,361.40-485,315,042.10-306,962,402.20

Finding the Fourth Proportional to 323,543,361.40, 485,315,042.10 and 306,962,402.20

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Solution

The fourth proportional to 323,543,361.40, 485,315,042.10 and 306,962,402.20 is: 460,443,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,543,361.40 : 485,315,042.10 = 306,962,402.20 : x
  2. Step 2: Convert to fraction form
    323,543,361.40/485,315,042.10 = 306,962,402.20/x
  3. Step 3: Cross multiply
    323,543,361.40x = 485,315,042.10 × 306,962,402.20
  4. Step 4: Simplify right side
    323,543,361.40x = 148,973,471,146,810,144
  5. Step 5: Solve for x
    x = 148,973,471,146,810,144/323,543,361.40
  6. Step 6: Final answer
    x = 460,443,603.30

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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.