Home / 419,041,994.34-628,542,097.31-156,707,258.91

Finding the Fourth Proportional to 419,041,994.34, 628,542,097.31 and 156,707,258.91

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Solution

The fourth proportional to 419,041,994.34, 628,542,097.31 and 156,707,258.91 is: 235,053,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,041,994.34 : 628,542,097.31 = 156,707,258.91 : x
  2. Step 2: Convert to fraction form
    419,041,994.34/628,542,097.31 = 156,707,258.91/x
  3. Step 3: Cross multiply
    419,041,994.34x = 628,542,097.31 × 156,707,258.91
  4. Step 4: Simplify right side
    419,041,994.34x = 98,497,109,178,992,576
  5. Step 5: Solve for x
    x = 98,497,109,178,992,576/419,041,994.34
  6. Step 6: Final answer
    x = 235,053,074.65

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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.