Home / 921,692,617,778.40-1,382,538,926,667.60-921,692,617,778.40

Finding the Fourth Proportional to 921,692,617,778.40, 1,382,538,926,667.60 and 921,692,617,778.40

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Solution

The fourth proportional to 921,692,617,778.40, 1,382,538,926,667.60 and 921,692,617,778.40 is: 1,382,538,926,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,692,617,778.40 : 1,382,538,926,667.60 = 921,692,617,778.40 : x
  2. Step 2: Convert to fraction form
    921,692,617,778.40/1,382,538,926,667.60 = 921,692,617,778.40/x
  3. Step 3: Cross multiply
    921,692,617,778.40x = 1,382,538,926,667.60 × 921,692,617,778.40
  4. Step 4: Simplify right side
    921,692,617,778.40x = 1,274,275,922,500,799,703,285,760
  5. Step 5: Solve for x
    x = 1,274,275,922,500,799,703,285,760/921,692,617,778.40
  6. Step 6: Final answer
    x = 1,382,538,926,667.60

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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.