Home / 353,376,010.55-530,064,015.83-200,321,002.55

Finding the Fourth Proportional to 353,376,010.55, 530,064,015.83 and 200,321,002.55

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Solution

The fourth proportional to 353,376,010.55, 530,064,015.83 and 200,321,002.55 is: 300,481,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,376,010.55 : 530,064,015.83 = 200,321,002.55 : x
  2. Step 2: Convert to fraction form
    353,376,010.55/530,064,015.83 = 200,321,002.55/x
  3. Step 3: Cross multiply
    353,376,010.55x = 530,064,015.83 × 200,321,002.55
  4. Step 4: Simplify right side
    353,376,010.55x = 106,182,955,065,743,072
  5. Step 5: Solve for x
    x = 106,182,955,065,743,072/353,376,010.55
  6. Step 6: Final answer
    x = 300,481,503.83

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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.