Home / 421,345,040.49-631,327,388.49-224,399,353.59

Finding the Fourth Proportional to 421,345,040.49, 631,327,388.49 and 224,399,353.59

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Solution

The fourth proportional to 421,345,040.49, 631,327,388.49 and 224,399,353.59 is: 336,231,459.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,345,040.49 : 631,327,388.49 = 224,399,353.59 : x
  2. Step 2: Convert to fraction form
    421,345,040.49/631,327,388.49 = 224,399,353.59/x
  3. Step 3: Cross multiply
    421,345,040.49x = 631,327,388.49 × 224,399,353.59
  4. Step 4: Simplify right side
    421,345,040.49x = 141,669,457,880,818,816
  5. Step 5: Solve for x
    x = 141,669,457,880,818,816/421,345,040.49
  6. Step 6: Final answer
    x = 336,231,459.41

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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.