Home / 364,981,641.40-503,672,509.38-197,721,090.37

Finding the Fourth Proportional to 364,981,641.40, 503,672,509.38 and 197,721,090.37

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Solution

The fourth proportional to 364,981,641.40, 503,672,509.38 and 197,721,090.37 is: 272,853,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,981,641.40 : 503,672,509.38 = 197,721,090.37 : x
  2. Step 2: Convert to fraction form
    364,981,641.40/503,672,509.38 = 197,721,090.37/x
  3. Step 3: Cross multiply
    364,981,641.40x = 503,672,509.38 × 197,721,090.37
  4. Step 4: Simplify right side
    364,981,641.40x = 99,586,677,744,007,648
  5. Step 5: Solve for x
    x = 99,586,677,744,007,648/364,981,641.40
  6. Step 6: Final answer
    x = 272,853,936.88

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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.