Home / 330,861,348.60-496,292,022.90-279,205,283.40

Finding the Fourth Proportional to 330,861,348.60, 496,292,022.90 and 279,205,283.40

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Solution

The fourth proportional to 330,861,348.60, 496,292,022.90 and 279,205,283.40 is: 418,807,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,861,348.60 : 496,292,022.90 = 279,205,283.40 : x
  2. Step 2: Convert to fraction form
    330,861,348.60/496,292,022.90 = 279,205,283.40/x
  3. Step 3: Cross multiply
    330,861,348.60x = 496,292,022.90 × 279,205,283.40
  4. Step 4: Simplify right side
    330,861,348.60x = 138,567,354,902,953,776
  5. Step 5: Solve for x
    x = 138,567,354,902,953,776/330,861,348.60
  6. Step 6: Final answer
    x = 418,807,925.10

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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.