Home / 1,509,684,785.64-2,083,345,138.96-831,488,713.43

Finding the Fourth Proportional to 1,509,684,785.64, 2,083,345,138.96 and 831,488,713.43

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Solution

The fourth proportional to 1,509,684,785.64, 2,083,345,138.96 and 831,488,713.43 is: 1,147,443,483.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,684,785.64 : 2,083,345,138.96 = 831,488,713.43 : x
  2. Step 2: Convert to fraction form
    1,509,684,785.64/2,083,345,138.96 = 831,488,713.43/x
  3. Step 3: Cross multiply
    1,509,684,785.64x = 2,083,345,138.96 × 831,488,713.43
  4. Step 4: Simplify right side
    1,509,684,785.64x = 1,732,277,969,211,916,288
  5. Step 5: Solve for x
    x = 1,732,277,969,211,916,288/1,509,684,785.64
  6. Step 6: Final answer
    x = 1,147,443,483.36

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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.