Home / 1,167,901,261.62-1,611,713,791.90-666,135,461.10

Finding the Fourth Proportional to 1,167,901,261.62, 1,611,713,791.90 and 666,135,461.10

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Solution

The fourth proportional to 1,167,901,261.62, 1,611,713,791.90 and 666,135,461.10 is: 919,272,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,901,261.62 : 1,611,713,791.90 = 666,135,461.10 : x
  2. Step 2: Convert to fraction form
    1,167,901,261.62/1,611,713,791.90 = 666,135,461.10/x
  3. Step 3: Cross multiply
    1,167,901,261.62x = 1,611,713,791.90 × 666,135,461.10
  4. Step 4: Simplify right side
    1,167,901,261.62x = 1,073,619,709,930,899,840
  5. Step 5: Solve for x
    x = 1,073,619,709,930,899,840/1,167,901,261.62
  6. Step 6: Final answer
    x = 919,272,669.03

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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.