Home / 383,521,792.55-529,259,845.37-207,309,790.26

Finding the Fourth Proportional to 383,521,792.55, 529,259,845.37 and 207,309,790.26

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Solution

The fourth proportional to 383,521,792.55, 529,259,845.37 and 207,309,790.26 is: 286,087,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,521,792.55 : 529,259,845.37 = 207,309,790.26 : x
  2. Step 2: Convert to fraction form
    383,521,792.55/529,259,845.37 = 207,309,790.26/x
  3. Step 3: Cross multiply
    383,521,792.55x = 529,259,845.37 × 207,309,790.26
  4. Step 4: Simplify right side
    383,521,792.55x = 109,720,747,535,658,176
  5. Step 5: Solve for x
    x = 109,720,747,535,658,176/383,521,792.55
  6. Step 6: Final answer
    x = 286,087,387.13

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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.