Home / 431,082,000.60-646,623,000.90-201,074,335.80

Finding the Fourth Proportional to 431,082,000.60, 646,623,000.90 and 201,074,335.80

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Solution

The fourth proportional to 431,082,000.60, 646,623,000.90 and 201,074,335.80 is: 301,611,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,082,000.60 : 646,623,000.90 = 201,074,335.80 : x
  2. Step 2: Convert to fraction form
    431,082,000.60/646,623,000.90 = 201,074,335.80/x
  3. Step 3: Cross multiply
    431,082,000.60x = 646,623,000.90 × 201,074,335.80
  4. Step 4: Simplify right side
    431,082,000.60x = 130,019,290,418,970,304
  5. Step 5: Solve for x
    x = 130,019,290,418,970,304/431,082,000.60
  6. Step 6: Final answer
    x = 301,611,503.70

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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.