Home / 647,035,261.20-970,552,891.80-284,238,205.20

Finding the Fourth Proportional to 647,035,261.20, 970,552,891.80 and 284,238,205.20

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Solution

The fourth proportional to 647,035,261.20, 970,552,891.80 and 284,238,205.20 is: 426,357,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,035,261.20 : 970,552,891.80 = 284,238,205.20 : x
  2. Step 2: Convert to fraction form
    647,035,261.20/970,552,891.80 = 284,238,205.20/x
  3. Step 3: Cross multiply
    647,035,261.20x = 970,552,891.80 × 284,238,205.20
  4. Step 4: Simplify right side
    647,035,261.20x = 275,868,212,016,901,760
  5. Step 5: Solve for x
    x = 275,868,212,016,901,760/647,035,261.20
  6. Step 6: Final answer
    x = 426,357,307.80

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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.