Home / 376,167,400.11-519,048,726.98-217,412,306.34

Finding the Fourth Proportional to 376,167,400.11, 519,048,726.98 and 217,412,306.34

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Solution

The fourth proportional to 376,167,400.11, 519,048,726.98 and 217,412,306.34 is: 299,992,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,167,400.11 : 519,048,726.98 = 217,412,306.34 : x
  2. Step 2: Convert to fraction form
    376,167,400.11/519,048,726.98 = 217,412,306.34/x
  3. Step 3: Cross multiply
    376,167,400.11x = 519,048,726.98 × 217,412,306.34
  4. Step 4: Simplify right side
    376,167,400.11x = 112,847,580,834,475,728
  5. Step 5: Solve for x
    x = 112,847,580,834,475,728/376,167,400.11
  6. Step 6: Final answer
    x = 299,992,983.98

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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.