Home / 331,844,103.20-497,766,154.80-209,160,948.35

Finding the Fourth Proportional to 331,844,103.20, 497,766,154.80 and 209,160,948.35

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Solution

The fourth proportional to 331,844,103.20, 497,766,154.80 and 209,160,948.35 is: 313,741,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,844,103.20 : 497,766,154.80 = 209,160,948.35 : x
  2. Step 2: Convert to fraction form
    331,844,103.20/497,766,154.80 = 209,160,948.35/x
  3. Step 3: Cross multiply
    331,844,103.20x = 497,766,154.80 × 209,160,948.35
  4. Step 4: Simplify right side
    331,844,103.20x = 104,113,240,994,500,912
  5. Step 5: Solve for x
    x = 104,113,240,994,500,912/331,844,103.20
  6. Step 6: Final answer
    x = 313,741,422.53

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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.