Home / 331,738,148.80-497,607,223.20-211,104,395.20

Finding the Fourth Proportional to 331,738,148.80, 497,607,223.20 and 211,104,395.20

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Solution

The fourth proportional to 331,738,148.80, 497,607,223.20 and 211,104,395.20 is: 316,656,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,738,148.80 : 497,607,223.20 = 211,104,395.20 : x
  2. Step 2: Convert to fraction form
    331,738,148.80/497,607,223.20 = 211,104,395.20/x
  3. Step 3: Cross multiply
    331,738,148.80x = 497,607,223.20 × 211,104,395.20
  4. Step 4: Simplify right side
    331,738,148.80x = 105,047,071,900,787,408
  5. Step 5: Solve for x
    x = 105,047,071,900,787,408/331,738,148.80
  6. Step 6: Final answer
    x = 316,656,592.80

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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.