Home / 543,617,647.20-815,426,470.80-339,774,472.80

Finding the Fourth Proportional to 543,617,647.20, 815,426,470.80 and 339,774,472.80

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Solution

The fourth proportional to 543,617,647.20, 815,426,470.80 and 339,774,472.80 is: 509,661,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,617,647.20 : 815,426,470.80 = 339,774,472.80 : x
  2. Step 2: Convert to fraction form
    543,617,647.20/815,426,470.80 = 339,774,472.80/x
  3. Step 3: Cross multiply
    543,617,647.20x = 815,426,470.80 × 339,774,472.80
  4. Step 4: Simplify right side
    543,617,647.20x = 277,061,099,223,234,592
  5. Step 5: Solve for x
    x = 277,061,099,223,234,592/543,617,647.20
  6. Step 6: Final answer
    x = 509,661,709.20

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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.