Home / 379,065,476.91-523,077,891.98-218,134,673.67

Finding the Fourth Proportional to 379,065,476.91, 523,077,891.98 and 218,134,673.67

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Solution

The fourth proportional to 379,065,476.91, 523,077,891.98 and 218,134,673.67 is: 301,007,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,065,476.91 : 523,077,891.98 = 218,134,673.67 : x
  2. Step 2: Convert to fraction form
    379,065,476.91/523,077,891.98 = 218,134,673.67/x
  3. Step 3: Cross multiply
    379,065,476.91x = 523,077,891.98 × 218,134,673.67
  4. Step 4: Simplify right side
    379,065,476.91x = 114,101,425,269,958,128
  5. Step 5: Solve for x
    x = 114,101,425,269,958,128/379,065,476.91
  6. Step 6: Final answer
    x = 301,007,166.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.