Home / 431,674,179.60-647,511,269.40-302,427,728.40

Finding the Fourth Proportional to 431,674,179.60, 647,511,269.40 and 302,427,728.40

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Solution

The fourth proportional to 431,674,179.60, 647,511,269.40 and 302,427,728.40 is: 453,641,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,674,179.60 : 647,511,269.40 = 302,427,728.40 : x
  2. Step 2: Convert to fraction form
    431,674,179.60/647,511,269.40 = 302,427,728.40/x
  3. Step 3: Cross multiply
    431,674,179.60x = 647,511,269.40 × 302,427,728.40
  4. Step 4: Simplify right side
    431,674,179.60x = 195,825,362,318,042,400
  5. Step 5: Solve for x
    x = 195,825,362,318,042,400/431,674,179.60
  6. Step 6: Final answer
    x = 453,641,592.60

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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.