Home / 854,336,065.80-1,281,504,098.70-491,539,009.80

Finding the Fourth Proportional to 854,336,065.80, 1,281,504,098.70 and 491,539,009.80

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Solution

The fourth proportional to 854,336,065.80, 1,281,504,098.70 and 491,539,009.80 is: 737,308,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,336,065.80 : 1,281,504,098.70 = 491,539,009.80 : x
  2. Step 2: Convert to fraction form
    854,336,065.80/1,281,504,098.70 = 491,539,009.80/x
  3. Step 3: Cross multiply
    854,336,065.80x = 1,281,504,098.70 × 491,539,009.80
  4. Step 4: Simplify right side
    854,336,065.80x = 629,909,255,729,639,552
  5. Step 5: Solve for x
    x = 629,909,255,729,639,552/854,336,065.80
  6. Step 6: Final answer
    x = 737,308,514.70

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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.