Home / 331,776,312.40-497,664,468.60-310,542,648.40

Finding the Fourth Proportional to 331,776,312.40, 497,664,468.60 and 310,542,648.40

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Solution

The fourth proportional to 331,776,312.40, 497,664,468.60 and 310,542,648.40 is: 465,813,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,312.40 : 497,664,468.60 = 310,542,648.40 : x
  2. Step 2: Convert to fraction form
    331,776,312.40/497,664,468.60 = 310,542,648.40/x
  3. Step 3: Cross multiply
    331,776,312.40x = 497,664,468.60 × 310,542,648.40
  4. Step 4: Simplify right side
    331,776,312.40x = 154,546,042,093,622,624
  5. Step 5: Solve for x
    x = 154,546,042,093,622,624/331,776,312.40
  6. Step 6: Final answer
    x = 465,813,972.60

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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.