Home / 693,627,602.16-1,040,182,178.08-278,964,463.60

Finding the Fourth Proportional to 693,627,602.16, 1,040,182,178.08 and 278,964,463.60

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Solution

The fourth proportional to 693,627,602.16, 1,040,182,178.08 and 278,964,463.60 is: 418,342,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,627,602.16 : 1,040,182,178.08 = 278,964,463.60 : x
  2. Step 2: Convert to fraction form
    693,627,602.16/1,040,182,178.08 = 278,964,463.60/x
  3. Step 3: Cross multiply
    693,627,602.16x = 1,040,182,178.08 × 278,964,463.60
  4. Step 4: Simplify right side
    693,627,602.16x = 290,173,863,354,366,912
  5. Step 5: Solve for x
    x = 290,173,863,354,366,912/693,627,602.16
  6. Step 6: Final answer
    x = 418,342,439.73

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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.