Home / 891,682,544.61-1,336,993,954.52-339,025,427.51

Finding the Fourth Proportional to 891,682,544.61, 1,336,993,954.52 and 339,025,427.51

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Solution

The fourth proportional to 891,682,544.61, 1,336,993,954.52 and 339,025,427.51 is: 508,336,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,682,544.61 : 1,336,993,954.52 = 339,025,427.51 : x
  2. Step 2: Convert to fraction form
    891,682,544.61/1,336,993,954.52 = 339,025,427.51/x
  3. Step 3: Cross multiply
    891,682,544.61x = 1,336,993,954.52 × 339,025,427.51
  4. Step 4: Simplify right side
    891,682,544.61x = 453,274,947,001,048,448
  5. Step 5: Solve for x
    x = 453,274,947,001,048,448/891,682,544.61
  6. Step 6: Final answer
    x = 508,336,682.98

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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.