Home / 1,268,082,618.04-1,901,164,614.90-831,493,214.20

Finding the Fourth Proportional to 1,268,082,618.04, 1,901,164,614.90 and 831,493,214.20

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Solution

The fourth proportional to 1,268,082,618.04, 1,901,164,614.90 and 831,493,214.20 is: 1,246,610,791.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,082,618.04 : 1,901,164,614.90 = 831,493,214.20 : x
  2. Step 2: Convert to fraction form
    1,268,082,618.04/1,901,164,614.90 = 831,493,214.20/x
  3. Step 3: Cross multiply
    1,268,082,618.04x = 1,901,164,614.90 × 831,493,214.20
  4. Step 4: Simplify right side
    1,268,082,618.04x = 1,580,805,476,366,506,496
  5. Step 5: Solve for x
    x = 1,580,805,476,366,506,496/1,268,082,618.04
  6. Step 6: Final answer
    x = 1,246,610,791.66

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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.