Home / 491,701,524.16-678,539,907.30-268,678,306.30

Finding the Fourth Proportional to 491,701,524.16, 678,539,907.30 and 268,678,306.30

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Solution

The fourth proportional to 491,701,524.16, 678,539,907.30 and 268,678,306.30 is: 370,771,584.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,701,524.16 : 678,539,907.30 = 268,678,306.30 : x
  2. Step 2: Convert to fraction form
    491,701,524.16/678,539,907.30 = 268,678,306.30/x
  3. Step 3: Cross multiply
    491,701,524.16x = 678,539,907.30 × 268,678,306.30
  4. Step 4: Simplify right side
    491,701,524.16x = 182,308,953,050,323,008
  5. Step 5: Solve for x
    x = 182,308,953,050,323,008/491,701,524.16
  6. Step 6: Final answer
    x = 370,771,584.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.