Home / 397,834,801.20-596,752,201.80-204,124,556.70

Finding the Fourth Proportional to 397,834,801.20, 596,752,201.80 and 204,124,556.70

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Solution

The fourth proportional to 397,834,801.20, 596,752,201.80 and 204,124,556.70 is: 306,186,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,834,801.20 : 596,752,201.80 = 204,124,556.70 : x
  2. Step 2: Convert to fraction form
    397,834,801.20/596,752,201.80 = 204,124,556.70/x
  3. Step 3: Cross multiply
    397,834,801.20x = 596,752,201.80 × 204,124,556.70
  4. Step 4: Simplify right side
    397,834,801.20x = 121,811,778,652,173,920
  5. Step 5: Solve for x
    x = 121,811,778,652,173,920/397,834,801.20
  6. Step 6: Final answer
    x = 306,186,835.05

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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.