Home / 416,913,711.52-624,963,894.48-198,505,369.84

Finding the Fourth Proportional to 416,913,711.52, 624,963,894.48 and 198,505,369.84

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Solution

The fourth proportional to 416,913,711.52, 624,963,894.48 and 198,505,369.84 is: 297,564,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,913,711.52 : 624,963,894.48 = 198,505,369.84 : x
  2. Step 2: Convert to fraction form
    416,913,711.52/624,963,894.48 = 198,505,369.84/x
  3. Step 3: Cross multiply
    416,913,711.52x = 624,963,894.48 × 198,505,369.84
  4. Step 4: Simplify right side
    416,913,711.52x = 124,058,689,010,399,136
  5. Step 5: Solve for x
    x = 124,058,689,010,399,136/416,913,711.52
  6. Step 6: Final answer
    x = 297,564,425.40

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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.