Home / 1,428,135,194.02-2,141,224,821.72-727,270,657.42

Finding the Fourth Proportional to 1,428,135,194.02, 2,141,224,821.72 and 727,270,657.42

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Solution

The fourth proportional to 1,428,135,194.02, 2,141,224,821.72 and 727,270,657.42 is: 1,090,407,960.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,135,194.02 : 2,141,224,821.72 = 727,270,657.42 : x
  2. Step 2: Convert to fraction form
    1,428,135,194.02/2,141,224,821.72 = 727,270,657.42/x
  3. Step 3: Cross multiply
    1,428,135,194.02x = 2,141,224,821.72 × 727,270,657.42
  4. Step 4: Simplify right side
    1,428,135,194.02x = 1,557,249,983,776,326,656
  5. Step 5: Solve for x
    x = 1,557,249,983,776,326,656/1,428,135,194.02
  6. Step 6: Final answer
    x = 1,090,407,960.18

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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.