Home / 1,345,616,993.55-1,856,951,821.14-742,787,983.29

Finding the Fourth Proportional to 1,345,616,993.55, 1,856,951,821.14 and 742,787,983.29

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Solution

The fourth proportional to 1,345,616,993.55, 1,856,951,821.14 and 742,787,983.29 is: 1,025,047,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,616,993.55 : 1,856,951,821.14 = 742,787,983.29 : x
  2. Step 2: Convert to fraction form
    1,345,616,993.55/1,856,951,821.14 = 742,787,983.29/x
  3. Step 3: Cross multiply
    1,345,616,993.55x = 1,856,951,821.14 × 742,787,983.29
  4. Step 4: Simplify right side
    1,345,616,993.55x = 1,379,321,498,291,273,472
  5. Step 5: Solve for x
    x = 1,379,321,498,291,273,472/1,345,616,993.55
  6. Step 6: Final answer
    x = 1,025,047,621.20

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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.