Home / 436,312,038.05-654,463,743.62-199,894,499.13

Finding the Fourth Proportional to 436,312,038.05, 654,463,743.62 and 199,894,499.13

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Solution

The fourth proportional to 436,312,038.05, 654,463,743.62 and 199,894,499.13 is: 299,839,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,312,038.05 : 654,463,743.62 = 199,894,499.13 : x
  2. Step 2: Convert to fraction form
    436,312,038.05/654,463,743.62 = 199,894,499.13/x
  3. Step 3: Cross multiply
    436,312,038.05x = 654,463,743.62 × 199,894,499.13
  4. Step 4: Simplify right side
    436,312,038.05x = 130,823,702,228,665,152
  5. Step 5: Solve for x
    x = 130,823,702,228,665,152/436,312,038.05
  6. Step 6: Final answer
    x = 299,839,772.51

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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.