Home / 693,627,603.16-1,040,182,179.58-278,964,464.60

Finding the Fourth Proportional to 693,627,603.16, 1,040,182,179.58 and 278,964,464.60

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Solution

The fourth proportional to 693,627,603.16, 1,040,182,179.58 and 278,964,464.60 is: 418,342,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,627,603.16 : 1,040,182,179.58 = 278,964,464.60 : x
  2. Step 2: Convert to fraction form
    693,627,603.16/1,040,182,179.58 = 278,964,464.60/x
  3. Step 3: Cross multiply
    693,627,603.16x = 1,040,182,179.58 × 278,964,464.60
  4. Step 4: Simplify right side
    693,627,603.16x = 290,173,864,812,995,776
  5. Step 5: Solve for x
    x = 290,173,864,812,995,776/693,627,603.16
  6. Step 6: Final answer
    x = 418,342,441.23

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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.