Home / 658,205,603.80-987,647,848.15-308,487,200.75

Finding the Fourth Proportional to 658,205,603.80, 987,647,848.15 and 308,487,200.75

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Solution

The fourth proportional to 658,205,603.80, 987,647,848.15 and 308,487,200.75 is: 462,889,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,205,603.80 : 987,647,848.15 = 308,487,200.75 : x
  2. Step 2: Convert to fraction form
    658,205,603.80/987,647,848.15 = 308,487,200.75/x
  3. Step 3: Cross multiply
    658,205,603.80x = 987,647,848.15 × 308,487,200.75
  4. Step 4: Simplify right side
    658,205,603.80x = 304,676,719,996,073,920
  5. Step 5: Solve for x
    x = 304,676,719,996,073,920/658,205,603.80
  6. Step 6: Final answer
    x = 462,889,890.69

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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.