Home / 826,690,306.09-1,240,215,020.28-302,058,565.17

Finding the Fourth Proportional to 826,690,306.09, 1,240,215,020.28 and 302,058,565.17

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Solution

The fourth proportional to 826,690,306.09, 1,240,215,020.28 and 302,058,565.17 is: 453,153,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,690,306.09 : 1,240,215,020.28 = 302,058,565.17 : x
  2. Step 2: Convert to fraction form
    826,690,306.09/1,240,215,020.28 = 302,058,565.17/x
  3. Step 3: Cross multiply
    826,690,306.09x = 1,240,215,020.28 × 302,058,565.17
  4. Step 4: Simplify right side
    826,690,306.09x = 374,617,569,521,858,176
  5. Step 5: Solve for x
    x = 374,617,569,521,858,176/826,690,306.09
  6. Step 6: Final answer
    x = 453,153,456.33

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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.