Home / 393,408,034.70-590,106,522.45-177,996,937.10

Finding the Fourth Proportional to 393,408,034.70, 590,106,522.45 and 177,996,937.10

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Solution

The fourth proportional to 393,408,034.70, 590,106,522.45 and 177,996,937.10 is: 266,992,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,408,034.70 : 590,106,522.45 = 177,996,937.10 : x
  2. Step 2: Convert to fraction form
    393,408,034.70/590,106,522.45 = 177,996,937.10/x
  3. Step 3: Cross multiply
    393,408,034.70x = 590,106,522.45 × 177,996,937.10
  4. Step 4: Simplify right side
    393,408,034.70x = 105,037,153,558,832,400
  5. Step 5: Solve for x
    x = 105,037,153,558,832,400/393,408,034.70
  6. Step 6: Final answer
    x = 266,992,903.79

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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.