Home / 445,825,515.10-668,738,272.65-154,595,847.10

Finding the Fourth Proportional to 445,825,515.10, 668,738,272.65 and 154,595,847.10

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Solution

The fourth proportional to 445,825,515.10, 668,738,272.65 and 154,595,847.10 is: 231,893,770.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,825,515.10 : 668,738,272.65 = 154,595,847.10 : x
  2. Step 2: Convert to fraction form
    445,825,515.10/668,738,272.65 = 154,595,847.10/x
  3. Step 3: Cross multiply
    445,825,515.10x = 668,738,272.65 × 154,595,847.10
  4. Step 4: Simplify right side
    445,825,515.10x = 103,384,159,748,517,504
  5. Step 5: Solve for x
    x = 103,384,159,748,517,504/445,825,515.10
  6. Step 6: Final answer
    x = 231,893,770.65

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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.