Home / 377,974,670.15-521,593,623.45-208,428,817.07

Finding the Fourth Proportional to 377,974,670.15, 521,593,623.45 and 208,428,817.07

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Solution

The fourth proportional to 377,974,670.15, 521,593,623.45 and 208,428,817.07 is: 287,625,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,974,670.15 : 521,593,623.45 = 208,428,817.07 : x
  2. Step 2: Convert to fraction form
    377,974,670.15/521,593,623.45 = 208,428,817.07/x
  3. Step 3: Cross multiply
    377,974,670.15x = 521,593,623.45 × 208,428,817.07
  4. Step 4: Simplify right side
    377,974,670.15x = 108,715,141,928,242,496
  5. Step 5: Solve for x
    x = 108,715,141,928,242,496/377,974,670.15
  6. Step 6: Final answer
    x = 287,625,469.41

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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.