Home / 372,144,272.33-513,549,709.47-204,878,863.69

Finding the Fourth Proportional to 372,144,272.33, 513,549,709.47 and 204,878,863.69

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Solution

The fourth proportional to 372,144,272.33, 513,549,709.47 and 204,878,863.69 is: 282,727,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,144,272.33 : 513,549,709.47 = 204,878,863.69 : x
  2. Step 2: Convert to fraction form
    372,144,272.33/513,549,709.47 = 204,878,863.69/x
  3. Step 3: Cross multiply
    372,144,272.33x = 513,549,709.47 × 204,878,863.69
  4. Step 4: Simplify right side
    372,144,272.33x = 105,215,480,923,259,360
  5. Step 5: Solve for x
    x = 105,215,480,923,259,360/372,144,272.33
  6. Step 6: Final answer
    x = 282,727,664.36

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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.