Home / 330,861,315.60-496,291,973.40-279,205,250.40

Finding the Fourth Proportional to 330,861,315.60, 496,291,973.40 and 279,205,250.40

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Solution

The fourth proportional to 330,861,315.60, 496,291,973.40 and 279,205,250.40 is: 418,807,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,861,315.60 : 496,291,973.40 = 279,205,250.40 : x
  2. Step 2: Convert to fraction form
    330,861,315.60/496,291,973.40 = 279,205,250.40/x
  3. Step 3: Cross multiply
    330,861,315.60x = 496,291,973.40 × 279,205,250.40
  4. Step 4: Simplify right side
    330,861,315.60x = 138,567,324,704,657,120
  5. Step 5: Solve for x
    x = 138,567,324,704,657,120/330,861,315.60
  6. Step 6: Final answer
    x = 418,807,875.60

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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.