Home / 762,438,731.65-1,143,526,469.23-202,204,447.81

Finding the Fourth Proportional to 762,438,731.65, 1,143,526,469.23 and 202,204,447.81

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Solution

The fourth proportional to 762,438,731.65, 1,143,526,469.23 and 202,204,447.81 is: 303,271,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,438,731.65 : 1,143,526,469.23 = 202,204,447.81 : x
  2. Step 2: Convert to fraction form
    762,438,731.65/1,143,526,469.23 = 202,204,447.81/x
  3. Step 3: Cross multiply
    762,438,731.65x = 1,143,526,469.23 × 202,204,447.81
  4. Step 4: Simplify right side
    762,438,731.65x = 231,226,138,266,771,104
  5. Step 5: Solve for x
    x = 231,226,138,266,771,104/762,438,731.65
  6. Step 6: Final answer
    x = 303,271,762.92

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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.