Home / 609,098,806.35-840,554,011.22-330,637,894.11

Finding the Fourth Proportional to 609,098,806.35, 840,554,011.22 and 330,637,894.11

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Solution

The fourth proportional to 609,098,806.35, 840,554,011.22 and 330,637,894.11 is: 456,279,022.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,098,806.35 : 840,554,011.22 = 330,637,894.11 : x
  2. Step 2: Convert to fraction form
    609,098,806.35/840,554,011.22 = 330,637,894.11/x
  3. Step 3: Cross multiply
    609,098,806.35x = 840,554,011.22 × 330,637,894.11
  4. Step 4: Simplify right side
    609,098,806.35x = 277,919,008,153,840,960
  5. Step 5: Solve for x
    x = 277,919,008,153,840,960/609,098,806.35
  6. Step 6: Final answer
    x = 456,279,022.81

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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.