Home / 381,144,768.03-571,466,259.41-251,356,640.67

Finding the Fourth Proportional to 381,144,768.03, 571,466,259.41 and 251,356,640.67

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Solution

The fourth proportional to 381,144,768.03, 571,466,259.41 and 251,356,640.67 is: 376,869,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,144,768.03 : 571,466,259.41 = 251,356,640.67 : x
  2. Step 2: Convert to fraction form
    381,144,768.03/571,466,259.41 = 251,356,640.67/x
  3. Step 3: Cross multiply
    381,144,768.03x = 571,466,259.41 × 251,356,640.67
  4. Step 4: Simplify right side
    381,144,768.03x = 143,641,839,220,291,584
  5. Step 5: Solve for x
    x = 143,641,839,220,291,584/381,144,768.03
  6. Step 6: Final answer
    x = 376,869,502.79

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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.