Home / 1,167,067,940.89-1,610,548,943.47-631,220,204.23

Finding the Fourth Proportional to 1,167,067,940.89, 1,610,548,943.47 and 631,220,204.23

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Solution

The fourth proportional to 1,167,067,940.89, 1,610,548,943.47 and 631,220,204.23 is: 871,081,277.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,067,940.89 : 1,610,548,943.47 = 631,220,204.23 : x
  2. Step 2: Convert to fraction form
    1,167,067,940.89/1,610,548,943.47 = 631,220,204.23/x
  3. Step 3: Cross multiply
    1,167,067,940.89x = 1,610,548,943.47 × 631,220,204.23
  4. Step 4: Simplify right side
    1,167,067,940.89x = 1,016,611,033,017,966,080
  5. Step 5: Solve for x
    x = 1,016,611,033,017,966,080/1,167,067,940.89
  6. Step 6: Final answer
    x = 871,081,277.62

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Double scale
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1.5x scale

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.