Home / 1,822,769,801.25-2,515,826,988.87-1,108,153,507.94

Finding the Fourth Proportional to 1,822,769,801.25, 2,515,826,988.87 and 1,108,153,507.94

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Solution

The fourth proportional to 1,822,769,801.25, 2,515,826,988.87 and 1,108,153,507.94 is: 1,529,497,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822,769,801.25 : 2,515,826,988.87 = 1,108,153,507.94 : x
  2. Step 2: Convert to fraction form
    1,822,769,801.25/2,515,826,988.87 = 1,108,153,507.94/x
  3. Step 3: Cross multiply
    1,822,769,801.25x = 2,515,826,988.87 × 1,108,153,507.94
  4. Step 4: Simplify right side
    1,822,769,801.25x = 2,787,922,503,092,707,328
  5. Step 5: Solve for x
    x = 2,787,922,503,092,707,328/1,822,769,801.25
  6. Step 6: Final answer
    x = 1,529,497,856.05

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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.