Home / 1,149,928,908.65-1,586,898,757.36-641,292,174.30

Finding the Fourth Proportional to 1,149,928,908.65, 1,586,898,757.36 and 641,292,174.30

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Solution

The fourth proportional to 1,149,928,908.65, 1,586,898,757.36 and 641,292,174.30 is: 884,981,451.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,928,908.65 : 1,586,898,757.36 = 641,292,174.30 : x
  2. Step 2: Convert to fraction form
    1,149,928,908.65/1,586,898,757.36 = 641,292,174.30/x
  3. Step 3: Cross multiply
    1,149,928,908.65x = 1,586,898,757.36 × 641,292,174.30
  4. Step 4: Simplify right side
    1,149,928,908.65x = 1,017,665,754,501,362,432
  5. Step 5: Solve for x
    x = 1,017,665,754,501,362,432/1,149,928,908.65
  6. Step 6: Final answer
    x = 884,981,451.33

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Double scale
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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.