Home / 468,732,832.38-646,554,852.63-301,181,127.21

Finding the Fourth Proportional to 468,732,832.38, 646,554,852.63 and 301,181,127.21

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Solution

The fourth proportional to 468,732,832.38, 646,554,852.63 and 301,181,127.21 is: 415,439,469.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,732,832.38 : 646,554,852.63 = 301,181,127.21 : x
  2. Step 2: Convert to fraction form
    468,732,832.38/646,554,852.63 = 301,181,127.21/x
  3. Step 3: Cross multiply
    468,732,832.38x = 646,554,852.63 × 301,181,127.21
  4. Step 4: Simplify right side
    468,732,832.38x = 194,730,119,318,198,816
  5. Step 5: Solve for x
    x = 194,730,119,318,198,816/468,732,832.38
  6. Step 6: Final answer
    x = 415,439,469.71

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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.