Home / 266,223,223.67-401,152,005.12-218,764,213.76

Finding the Fourth Proportional to 266,223,223.67, 401,152,005.12 and 218,764,213.76

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Solution

The fourth proportional to 266,223,223.67, 401,152,005.12 and 218,764,213.76 is: 329,639,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,223,223.67 : 401,152,005.12 = 218,764,213.76 : x
  2. Step 2: Convert to fraction form
    266,223,223.67/401,152,005.12 = 218,764,213.76/x
  3. Step 3: Cross multiply
    266,223,223.67x = 401,152,005.12 × 218,764,213.76
  4. Step 4: Simplify right side
    266,223,223.67x = 87,757,703,000,147,536
  5. Step 5: Solve for x
    x = 87,757,703,000,147,536/266,223,223.67
  6. Step 6: Final answer
    x = 329,639,547.56

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.