Home / 537,970,528.80-806,955,793.20-320,292,295.20

Finding the Fourth Proportional to 537,970,528.80, 806,955,793.20 and 320,292,295.20

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Solution

The fourth proportional to 537,970,528.80, 806,955,793.20 and 320,292,295.20 is: 480,438,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,970,528.80 : 806,955,793.20 = 320,292,295.20 : x
  2. Step 2: Convert to fraction form
    537,970,528.80/806,955,793.20 = 320,292,295.20/x
  3. Step 3: Cross multiply
    537,970,528.80x = 806,955,793.20 × 320,292,295.20
  4. Step 4: Simplify right side
    537,970,528.80x = 258,461,723,128,964,544
  5. Step 5: Solve for x
    x = 258,461,723,128,964,544/537,970,528.80
  6. Step 6: Final answer
    x = 480,438,442.80

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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.