Home / 612,380,712.20-918,571,068.30-224,216,205.80

Finding the Fourth Proportional to 612,380,712.20, 918,571,068.30 and 224,216,205.80

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Solution

The fourth proportional to 612,380,712.20, 918,571,068.30 and 224,216,205.80 is: 336,324,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,380,712.20 : 918,571,068.30 = 224,216,205.80 : x
  2. Step 2: Convert to fraction form
    612,380,712.20/918,571,068.30 = 224,216,205.80/x
  3. Step 3: Cross multiply
    612,380,712.20x = 918,571,068.30 × 224,216,205.80
  4. Step 4: Simplify right side
    612,380,712.20x = 205,958,519,691,878,656
  5. Step 5: Solve for x
    x = 205,958,519,691,878,656/612,380,712.20
  6. Step 6: Final answer
    x = 336,324,308.70

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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.