Home / 629,019,581.22-868,049,652.78-346,755,827.25

Finding the Fourth Proportional to 629,019,581.22, 868,049,652.78 and 346,755,827.25

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Solution

The fourth proportional to 629,019,581.22, 868,049,652.78 and 346,755,827.25 is: 478,524,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,019,581.22 : 868,049,652.78 = 346,755,827.25 : x
  2. Step 2: Convert to fraction form
    629,019,581.22/868,049,652.78 = 346,755,827.25/x
  3. Step 3: Cross multiply
    629,019,581.22x = 868,049,652.78 × 346,755,827.25
  4. Step 4: Simplify right side
    629,019,581.22x = 301,001,275,443,804,160
  5. Step 5: Solve for x
    x = 301,001,275,443,804,160/629,019,581.22
  6. Step 6: Final answer
    x = 478,524,491.81

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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.