Home / 629,019,571.59-868,049,639.55-346,755,817.68

Finding the Fourth Proportional to 629,019,571.59, 868,049,639.55 and 346,755,817.68

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Solution

The fourth proportional to 629,019,571.59, 868,049,639.55 and 346,755,817.68 is: 478,524,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,019,571.59 : 868,049,639.55 = 346,755,817.68 : x
  2. Step 2: Convert to fraction form
    629,019,571.59/868,049,639.55 = 346,755,817.68/x
  3. Step 3: Cross multiply
    629,019,571.59x = 868,049,639.55 × 346,755,817.68
  4. Step 4: Simplify right side
    629,019,571.59x = 301,001,262,548,989,504
  5. Step 5: Solve for x
    x = 301,001,262,548,989,504/629,019,571.59
  6. Step 6: Final answer
    x = 478,524,478.64

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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.