Home / 467,520,962.60-701,281,443.90-212,219,330.60

Finding the Fourth Proportional to 467,520,962.60, 701,281,443.90 and 212,219,330.60

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Solution

The fourth proportional to 467,520,962.60, 701,281,443.90 and 212,219,330.60 is: 318,328,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,520,962.60 : 701,281,443.90 = 212,219,330.60 : x
  2. Step 2: Convert to fraction form
    467,520,962.60/701,281,443.90 = 212,219,330.60/x
  3. Step 3: Cross multiply
    467,520,962.60x = 701,281,443.90 × 212,219,330.60
  4. Step 4: Simplify right side
    467,520,962.60x = 148,825,478,586,659,456
  5. Step 5: Solve for x
    x = 148,825,478,586,659,456/467,520,962.60
  6. Step 6: Final answer
    x = 318,328,995.90

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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.