Home / 1,515,591,021.60-2,273,386,532.40-862,556,320.80

Finding the Fourth Proportional to 1,515,591,021.60, 2,273,386,532.40 and 862,556,320.80

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Solution

The fourth proportional to 1,515,591,021.60, 2,273,386,532.40 and 862,556,320.80 is: 1,293,834,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,591,021.60 : 2,273,386,532.40 = 862,556,320.80 : x
  2. Step 2: Convert to fraction form
    1,515,591,021.60/2,273,386,532.40 = 862,556,320.80/x
  3. Step 3: Cross multiply
    1,515,591,021.60x = 2,273,386,532.40 × 862,556,320.80
  4. Step 4: Simplify right side
    1,515,591,021.60x = 1,960,923,923,143,214,080
  5. Step 5: Solve for x
    x = 1,960,923,923,143,214,080/1,515,591,021.60
  6. Step 6: Final answer
    x = 1,293,834,481.20

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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.