Home / 480,741,544.80-721,868,144.40-276,668,200.80

Finding the Fourth Proportional to 480,741,544.80, 721,868,144.40 and 276,668,200.80

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Solution

The fourth proportional to 480,741,544.80, 721,868,144.40 and 276,668,200.80 is: 415,437,282.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,741,544.80 : 721,868,144.40 = 276,668,200.80 : x
  2. Step 2: Convert to fraction form
    480,741,544.80/721,868,144.40 = 276,668,200.80/x
  3. Step 3: Cross multiply
    480,741,544.80x = 721,868,144.40 × 276,668,200.80
  4. Step 4: Simplify right side
    480,741,544.80x = 199,717,960,725,982,592
  5. Step 5: Solve for x
    x = 199,717,960,725,982,592/480,741,544.80
  6. Step 6: Final answer
    x = 415,437,282.02

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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.