Home / 462,345,067.60-693,517,601.40-420,018,744.40

Finding the Fourth Proportional to 462,345,067.60, 693,517,601.40 and 420,018,744.40

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Solution

The fourth proportional to 462,345,067.60, 693,517,601.40 and 420,018,744.40 is: 630,028,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,345,067.60 : 693,517,601.40 = 420,018,744.40 : x
  2. Step 2: Convert to fraction form
    462,345,067.60/693,517,601.40 = 420,018,744.40/x
  3. Step 3: Cross multiply
    462,345,067.60x = 693,517,601.40 × 420,018,744.40
  4. Step 4: Simplify right side
    462,345,067.60x = 291,290,392,159,327,680
  5. Step 5: Solve for x
    x = 291,290,392,159,327,680/462,345,067.60
  6. Step 6: Final answer
    x = 630,028,116.60

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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.