Home / 629,792,307.38-869,286,249.83-365,559,428.05

Finding the Fourth Proportional to 629,792,307.38, 869,286,249.83 and 365,559,428.05

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Solution

The fourth proportional to 629,792,307.38, 869,286,249.83 and 365,559,428.05 is: 504,572,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,792,307.38 : 869,286,249.83 = 365,559,428.05 : x
  2. Step 2: Convert to fraction form
    629,792,307.38/869,286,249.83 = 365,559,428.05/x
  3. Step 3: Cross multiply
    629,792,307.38x = 869,286,249.83 × 365,559,428.05
  4. Step 4: Simplify right side
    629,792,307.38x = 317,775,784,299,584,256
  5. Step 5: Solve for x
    x = 317,775,784,299,584,256/629,792,307.38
  6. Step 6: Final answer
    x = 504,572,349.61

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1.5x scale

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.