Home / 275,006,617,908.50-379,509,150,960.60-153,068,735,489.65

Finding the Fourth Proportional to 275,006,617,908.50, 379,509,150,960.60 and 153,068,735,489.65

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Solution

The fourth proportional to 275,006,617,908.50, 379,509,150,960.60 and 153,068,735,489.65 is: 211,234,865,131.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,006,617,908.50 : 379,509,150,960.60 = 153,068,735,489.65 : x
  2. Step 2: Convert to fraction form
    275,006,617,908.50/379,509,150,960.60 = 153,068,735,489.65/x
  3. Step 3: Cross multiply
    275,006,617,908.50x = 379,509,150,960.60 × 153,068,735,489.65
  4. Step 4: Simplify right side
    275,006,617,908.50x = 58,090,985,844,289,728,151,552
  5. Step 5: Solve for x
    x = 58,090,985,844,289,728,151,552/275,006,617,908.50
  6. Step 6: Final answer
    x = 211,234,865,131.93

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1.5x scale

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.