Home / 500,590,150.25-690,815,895.38-277,587,542.13

Finding the Fourth Proportional to 500,590,150.25, 690,815,895.38 and 277,587,542.13

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Solution

The fourth proportional to 500,590,150.25, 690,815,895.38 and 277,587,542.13 is: 383,071,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,590,150.25 : 690,815,895.38 = 277,587,542.13 : x
  2. Step 2: Convert to fraction form
    500,590,150.25/690,815,895.38 = 277,587,542.13/x
  3. Step 3: Cross multiply
    500,590,150.25x = 690,815,895.38 × 277,587,542.13
  4. Step 4: Simplify right side
    500,590,150.25x = 191,761,886,461,481,472
  5. Step 5: Solve for x
    x = 191,761,886,461,481,472/500,590,150.25
  6. Step 6: Final answer
    x = 383,071,633.29

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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.