Home / 1,293,214,280.13-1,941,047,808.39-800,436,941.28

Finding the Fourth Proportional to 1,293,214,280.13, 1,941,047,808.39 and 800,436,941.28

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Solution

The fourth proportional to 1,293,214,280.13, 1,941,047,808.39 and 800,436,941.28 is: 1,201,414,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,214,280.13 : 1,941,047,808.39 = 800,436,941.28 : x
  2. Step 2: Convert to fraction form
    1,293,214,280.13/1,941,047,808.39 = 800,436,941.28/x
  3. Step 3: Cross multiply
    1,293,214,280.13x = 1,941,047,808.39 × 800,436,941.28
  4. Step 4: Simplify right side
    1,293,214,280.13x = 1,553,686,370,625,939,200
  5. Step 5: Solve for x
    x = 1,553,686,370,625,939,200/1,293,214,280.13
  6. Step 6: Final answer
    x = 1,201,414,486.75

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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.