Home / 519,136,106.07-716,407,768.53-280,981,249.86

Finding the Fourth Proportional to 519,136,106.07, 716,407,768.53 and 280,981,249.86

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Solution

The fourth proportional to 519,136,106.07, 716,407,768.53 and 280,981,249.86 is: 387,754,093.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,136,106.07 : 716,407,768.53 = 280,981,249.86 : x
  2. Step 2: Convert to fraction form
    519,136,106.07/716,407,768.53 = 280,981,249.86/x
  3. Step 3: Cross multiply
    519,136,106.07x = 716,407,768.53 × 280,981,249.86
  4. Step 4: Simplify right side
    519,136,106.07x = 201,297,150,210,972,992
  5. Step 5: Solve for x
    x = 201,297,150,210,972,992/519,136,106.07
  6. Step 6: Final answer
    x = 387,754,093.50

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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.