Home / 436,312,039.30-654,463,745.49-199,894,500.38

Finding the Fourth Proportional to 436,312,039.30, 654,463,745.49 and 199,894,500.38

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Solution

The fourth proportional to 436,312,039.30, 654,463,745.49 and 199,894,500.38 is: 299,839,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,312,039.30 : 654,463,745.49 = 199,894,500.38 : x
  2. Step 2: Convert to fraction form
    436,312,039.30/654,463,745.49 = 199,894,500.38/x
  3. Step 3: Cross multiply
    436,312,039.30x = 654,463,745.49 × 199,894,500.38
  4. Step 4: Simplify right side
    436,312,039.30x = 130,823,703,421,547,024
  5. Step 5: Solve for x
    x = 130,823,703,421,547,024/436,312,039.30
  6. Step 6: Final answer
    x = 299,839,774.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.