Home / 2,645,891,552.76-3,968,837,327.77-987,928,316.23

Finding the Fourth Proportional to 2,645,891,552.76, 3,968,837,327.77 and 987,928,316.23

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Solution

The fourth proportional to 2,645,891,552.76, 3,968,837,327.77 and 987,928,316.23 is: 1,481,892,473.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645,891,552.76 : 3,968,837,327.77 = 987,928,316.23 : x
  2. Step 2: Convert to fraction form
    2,645,891,552.76/3,968,837,327.77 = 987,928,316.23/x
  3. Step 3: Cross multiply
    2,645,891,552.76x = 3,968,837,327.77 × 987,928,316.23
  4. Step 4: Simplify right side
    2,645,891,552.76x = 3,920,926,778,607,136,256
  5. Step 5: Solve for x
    x = 3,920,926,778,607,136,256/2,645,891,552.76
  6. Step 6: Final answer
    x = 1,481,892,473.83

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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.