Home / 1,509,684,791.64-2,083,345,147.23-831,488,719.44

Finding the Fourth Proportional to 1,509,684,791.64, 2,083,345,147.23 and 831,488,719.44

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Solution

The fourth proportional to 1,509,684,791.64, 2,083,345,147.23 and 831,488,719.44 is: 1,147,443,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,684,791.64 : 2,083,345,147.23 = 831,488,719.44 : x
  2. Step 2: Convert to fraction form
    1,509,684,791.64/2,083,345,147.23 = 831,488,719.44/x
  3. Step 3: Cross multiply
    1,509,684,791.64x = 2,083,345,147.23 × 831,488,719.44
  4. Step 4: Simplify right side
    1,509,684,791.64x = 1,732,277,988,621,811,200
  5. Step 5: Solve for x
    x = 1,732,277,988,621,811,200/1,509,684,791.64
  6. Step 6: Final answer
    x = 1,147,443,491.66

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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.