Home / 312,014,780.60-468,022,170.90-234,920,406.20

Finding the Fourth Proportional to 312,014,780.60, 468,022,170.90 and 234,920,406.20

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Solution

The fourth proportional to 312,014,780.60, 468,022,170.90 and 234,920,406.20 is: 352,380,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,014,780.60 : 468,022,170.90 = 234,920,406.20 : x
  2. Step 2: Convert to fraction form
    312,014,780.60/468,022,170.90 = 234,920,406.20/x
  3. Step 3: Cross multiply
    312,014,780.60x = 468,022,170.90 × 234,920,406.20
  4. Step 4: Simplify right side
    312,014,780.60x = 109,947,958,498,433,808
  5. Step 5: Solve for x
    x = 109,947,958,498,433,808/312,014,780.60
  6. Step 6: Final answer
    x = 352,380,609.30

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1.5x scale

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.