Home / 519,136,101.56-716,407,762.32-280,981,245.35

Finding the Fourth Proportional to 519,136,101.56, 716,407,762.32 and 280,981,245.35

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Solution

The fourth proportional to 519,136,101.56, 716,407,762.32 and 280,981,245.35 is: 387,754,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,136,101.56 : 716,407,762.32 = 280,981,245.35 : x
  2. Step 2: Convert to fraction form
    519,136,101.56/716,407,762.32 = 280,981,245.35/x
  3. Step 3: Cross multiply
    519,136,101.56x = 716,407,762.32 × 280,981,245.35
  4. Step 4: Simplify right side
    519,136,101.56x = 201,297,145,231,498,400
  5. Step 5: Solve for x
    x = 201,297,145,231,498,400/519,136,101.56
  6. Step 6: Final answer
    x = 387,754,087.28

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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.