Home / 539,656,760.40-809,485,038.48-294,219,788.88

Finding the Fourth Proportional to 539,656,760.40, 809,485,038.48 and 294,219,788.88

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Solution

The fourth proportional to 539,656,760.40, 809,485,038.48 and 294,219,788.88 is: 441,329,627.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,656,760.40 : 809,485,038.48 = 294,219,788.88 : x
  2. Step 2: Convert to fraction form
    539,656,760.40/809,485,038.48 = 294,219,788.88/x
  3. Step 3: Cross multiply
    539,656,760.40x = 809,485,038.48 × 294,219,788.88
  4. Step 4: Simplify right side
    539,656,760.40x = 238,166,517,123,104,288
  5. Step 5: Solve for x
    x = 238,166,517,123,104,288/539,656,760.40
  6. Step 6: Final answer
    x = 441,329,627.64

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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.