Home / 1,111,775,639.22-1,667,093,484.24-587,426,719.50

Finding the Fourth Proportional to 1,111,775,639.22, 1,667,093,484.24 and 587,426,719.50

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Solution

The fourth proportional to 1,111,775,639.22, 1,667,093,484.24 and 587,426,719.50 is: 880,838,922.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,775,639.22 : 1,667,093,484.24 = 587,426,719.50 : x
  2. Step 2: Convert to fraction form
    1,111,775,639.22/1,667,093,484.24 = 587,426,719.50/x
  3. Step 3: Cross multiply
    1,111,775,639.22x = 1,667,093,484.24 × 587,426,719.50
  4. Step 4: Simplify right side
    1,111,775,639.22x = 979,295,256,546,928,128
  5. Step 5: Solve for x
    x = 979,295,256,546,928,128/1,111,775,639.22
  6. Step 6: Final answer
    x = 880,838,922.89

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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.