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Finding the Fourth Proportional to 254,653,401.60, 381,980,102.40 and 254,653,401.60

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Solution

The fourth proportional to 254,653,401.60, 381,980,102.40 and 254,653,401.60 is: 381,980,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,653,401.60 : 381,980,102.40 = 254,653,401.60 : x
  2. Step 2: Convert to fraction form
    254,653,401.60/381,980,102.40 = 254,653,401.60/x
  3. Step 3: Cross multiply
    254,653,401.60x = 381,980,102.40 × 254,653,401.60
  4. Step 4: Simplify right side
    254,653,401.60x = 97,272,532,419,676,320
  5. Step 5: Solve for x
    x = 97,272,532,419,676,320/254,653,401.60
  6. Step 6: Final answer
    x = 381,980,102.40

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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.