Home / 312,114,491.20-468,171,736.80-292,982,615.20

Finding the Fourth Proportional to 312,114,491.20, 468,171,736.80 and 292,982,615.20

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Solution

The fourth proportional to 312,114,491.20, 468,171,736.80 and 292,982,615.20 is: 439,473,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,114,491.20 : 468,171,736.80 = 292,982,615.20 : x
  2. Step 2: Convert to fraction form
    312,114,491.20/468,171,736.80 = 292,982,615.20/x
  3. Step 3: Cross multiply
    312,114,491.20x = 468,171,736.80 × 292,982,615.20
  4. Step 4: Simplify right side
    312,114,491.20x = 137,166,179,810,390,080
  5. Step 5: Solve for x
    x = 137,166,179,810,390,080/312,114,491.20
  6. Step 6: Final answer
    x = 439,473,922.80

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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.