Home / 10,188,188,398.28-15,289,263,329.40-3,555,817,537.55

Finding the Fourth Proportional to 10,188,188,398.28, 15,289,263,329.40 and 3,555,817,537.55

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Solution

The fourth proportional to 10,188,188,398.28, 15,289,263,329.40 and 3,555,817,537.55 is: 5,336,162,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188,188,398.28 : 15,289,263,329.40 = 3,555,817,537.55 : x
  2. Step 2: Convert to fraction form
    10,188,188,398.28/15,289,263,329.40 = 3,555,817,537.55/x
  3. Step 3: Cross multiply
    10,188,188,398.28x = 15,289,263,329.40 × 3,555,817,537.55
  4. Step 4: Simplify right side
    10,188,188,398.28x = 54,365,830,682,824,179,712
  5. Step 5: Solve for x
    x = 54,365,830,682,824,179,712/10,188,188,398.28
  6. Step 6: Final answer
    x = 5,336,162,677.56

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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.