Home / 312,014,782.60-468,022,173.90-234,920,408.20

Finding the Fourth Proportional to 312,014,782.60, 468,022,173.90 and 234,920,408.20

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Solution

The fourth proportional to 312,014,782.60, 468,022,173.90 and 234,920,408.20 is: 352,380,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,014,782.60 : 468,022,173.90 = 234,920,408.20 : x
  2. Step 2: Convert to fraction form
    312,014,782.60/468,022,173.90 = 234,920,408.20/x
  3. Step 3: Cross multiply
    312,014,782.60x = 468,022,173.90 × 234,920,408.20
  4. Step 4: Simplify right side
    312,014,782.60x = 109,947,960,139,239,376
  5. Step 5: Solve for x
    x = 109,947,960,139,239,376/312,014,782.60
  6. Step 6: Final answer
    x = 352,380,612.30

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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.