Home / 880,631,672.81-1,215,272,486.36-484,161,406.97

Finding the Fourth Proportional to 880,631,672.81, 1,215,272,486.36 and 484,161,406.97

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Solution

The fourth proportional to 880,631,672.81, 1,215,272,486.36 and 484,161,406.97 is: 668,143,169.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,631,672.81 : 1,215,272,486.36 = 484,161,406.97 : x
  2. Step 2: Convert to fraction form
    880,631,672.81/1,215,272,486.36 = 484,161,406.97/x
  3. Step 3: Cross multiply
    880,631,672.81x = 1,215,272,486.36 × 484,161,406.97
  4. Step 4: Simplify right side
    880,631,672.81x = 588,388,036,843,121,664
  5. Step 5: Solve for x
    x = 588,388,036,843,121,664/880,631,672.81
  6. Step 6: Final answer
    x = 668,143,169.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.