Home / 1,111,775,637.72-1,667,093,481.99-587,426,718

Finding the Fourth Proportional to 1,111,775,637.72, 1,667,093,481.99 and 587,426,718

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Solution

The fourth proportional to 1,111,775,637.72, 1,667,093,481.99 and 587,426,718 is: 880,838,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,775,637.72 : 1,667,093,481.99 = 587,426,718 : x
  2. Step 2: Convert to fraction form
    1,111,775,637.72/1,667,093,481.99 = 587,426,718/x
  3. Step 3: Cross multiply
    1,111,775,637.72x = 1,667,093,481.99 × 587,426,718
  4. Step 4: Simplify right side
    1,111,775,637.72x = 979,295,252,724,577,792
  5. Step 5: Solve for x
    x = 979,295,252,724,577,792/1,111,775,637.72
  6. Step 6: Final answer
    x = 880,838,920.64

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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.