Home / 330,861,347.60-496,292,021.40-279,205,282.40

Finding the Fourth Proportional to 330,861,347.60, 496,292,021.40 and 279,205,282.40

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Solution

The fourth proportional to 330,861,347.60, 496,292,021.40 and 279,205,282.40 is: 418,807,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,861,347.60 : 496,292,021.40 = 279,205,282.40 : x
  2. Step 2: Convert to fraction form
    330,861,347.60/496,292,021.40 = 279,205,282.40/x
  3. Step 3: Cross multiply
    330,861,347.60x = 496,292,021.40 × 279,205,282.40
  4. Step 4: Simplify right side
    330,861,347.60x = 138,567,353,987,853,824
  5. Step 5: Solve for x
    x = 138,567,353,987,853,824/330,861,347.60
  6. Step 6: Final answer
    x = 418,807,923.60

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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.