Home / 371,908,323.45-513,218,074.54-202,363,261.24

Finding the Fourth Proportional to 371,908,323.45, 513,218,074.54 and 202,363,261.24

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Solution

The fourth proportional to 371,908,323.45, 513,218,074.54 and 202,363,261.24 is: 279,252,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,908,323.45 : 513,218,074.54 = 202,363,261.24 : x
  2. Step 2: Convert to fraction form
    371,908,323.45/513,218,074.54 = 202,363,261.24/x
  3. Step 3: Cross multiply
    371,908,323.45x = 513,218,074.54 × 202,363,261.24
  4. Step 4: Simplify right side
    371,908,323.45x = 103,856,483,289,438,864
  5. Step 5: Solve for x
    x = 103,856,483,289,438,864/371,908,323.45
  6. Step 6: Final answer
    x = 279,252,914.61

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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.