Home / 419,181,121.11-578,473,897.08-231,016,190.13

Finding the Fourth Proportional to 419,181,121.11, 578,473,897.08 and 231,016,190.13

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Solution

The fourth proportional to 419,181,121.11, 578,473,897.08 and 231,016,190.13 is: 318,804,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,181,121.11 : 578,473,897.08 = 231,016,190.13 : x
  2. Step 2: Convert to fraction form
    419,181,121.11/578,473,897.08 = 231,016,190.13/x
  3. Step 3: Cross multiply
    419,181,121.11x = 578,473,897.08 × 231,016,190.13
  4. Step 4: Simplify right side
    419,181,121.11x = 133,636,835,793,075,344
  5. Step 5: Solve for x
    x = 133,636,835,793,075,344/419,181,121.11
  6. Step 6: Final answer
    x = 318,804,519.25

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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.