Home / 2,167,171,159.74-2,990,645,334.54-1,275,155,662.02

Finding the Fourth Proportional to 2,167,171,159.74, 2,990,645,334.54 and 1,275,155,662.02

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Solution

The fourth proportional to 2,167,171,159.74, 2,990,645,334.54 and 1,275,155,662.02 is: 1,759,684,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,171,159.74 : 2,990,645,334.54 = 1,275,155,662.02 : x
  2. Step 2: Convert to fraction form
    2,167,171,159.74/2,990,645,334.54 = 1,275,155,662.02/x
  3. Step 3: Cross multiply
    2,167,171,159.74x = 2,990,645,334.54 × 1,275,155,662.02
  4. Step 4: Simplify right side
    2,167,171,159.74x = 3,813,538,331,432,377,856
  5. Step 5: Solve for x
    x = 3,813,538,331,432,377,856/2,167,171,159.74
  6. Step 6: Final answer
    x = 1,759,684,884.28

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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.