Home / 356,339,165.80-534,508,748.70-330,511,133.20

Finding the Fourth Proportional to 356,339,165.80, 534,508,748.70 and 330,511,133.20

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Solution

The fourth proportional to 356,339,165.80, 534,508,748.70 and 330,511,133.20 is: 495,766,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,339,165.80 : 534,508,748.70 = 330,511,133.20 : x
  2. Step 2: Convert to fraction form
    356,339,165.80/534,508,748.70 = 330,511,133.20/x
  3. Step 3: Cross multiply
    356,339,165.80x = 534,508,748.70 × 330,511,133.20
  4. Step 4: Simplify right side
    356,339,165.80x = 176,661,092,238,151,008
  5. Step 5: Solve for x
    x = 176,661,092,238,151,008/356,339,165.80
  6. Step 6: Final answer
    x = 495,766,699.80

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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.