Home / 403,601,700.84-605,345,066.88-127,216,996.08

Finding the Fourth Proportional to 403,601,700.84, 605,345,066.88 and 127,216,996.08

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Solution

The fourth proportional to 403,601,700.84, 605,345,066.88 and 127,216,996.08 is: 190,807,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,601,700.84 : 605,345,066.88 = 127,216,996.08 : x
  2. Step 2: Convert to fraction form
    403,601,700.84/605,345,066.88 = 127,216,996.08/x
  3. Step 3: Cross multiply
    403,601,700.84x = 605,345,066.88 × 127,216,996.08
  4. Step 4: Simplify right side
    403,601,700.84x = 77,010,181,000,320,304
  5. Step 5: Solve for x
    x = 77,010,181,000,320,304/403,601,700.84
  6. Step 6: Final answer
    x = 190,807,374.80

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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.