Home / 409,667,753.05-565,385,310.99-251,003,172.51

Finding the Fourth Proportional to 409,667,753.05, 565,385,310.99 and 251,003,172.51

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Solution

The fourth proportional to 409,667,753.05, 565,385,310.99 and 251,003,172.51 is: 346,411,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,667,753.05 : 565,385,310.99 = 251,003,172.51 : x
  2. Step 2: Convert to fraction form
    409,667,753.05/565,385,310.99 = 251,003,172.51/x
  3. Step 3: Cross multiply
    409,667,753.05x = 565,385,310.99 × 251,003,172.51
  4. Step 4: Simplify right side
    409,667,753.05x = 141,913,506,749,042,960
  5. Step 5: Solve for x
    x = 141,913,506,749,042,960/409,667,753.05
  6. Step 6: Final answer
    x = 346,411,221.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.