Home / 409,667,753.80-565,385,312.03-251,003,173.26

Finding the Fourth Proportional to 409,667,753.80, 565,385,312.03 and 251,003,173.26

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Solution

The fourth proportional to 409,667,753.80, 565,385,312.03 and 251,003,173.26 is: 346,411,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,667,753.80 : 565,385,312.03 = 251,003,173.26 : x
  2. Step 2: Convert to fraction form
    409,667,753.80/565,385,312.03 = 251,003,173.26/x
  3. Step 3: Cross multiply
    409,667,753.80x = 565,385,312.03 × 251,003,173.26
  4. Step 4: Simplify right side
    409,667,753.80x = 141,913,507,432,870,224
  5. Step 5: Solve for x
    x = 141,913,507,432,870,224/409,667,753.80
  6. Step 6: Final answer
    x = 346,411,222.55

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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.