Home / 388,134,370,678.50-582,213,416,658.21-133,160,177,572.38

Finding the Fourth Proportional to 388,134,370,678.50, 582,213,416,658.21 and 133,160,177,572.38

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Solution

The fourth proportional to 388,134,370,678.50, 582,213,416,658.21 and 133,160,177,572.38 is: 199,744,335,477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,134,370,678.50 : 582,213,416,658.21 = 133,160,177,572.38 : x
  2. Step 2: Convert to fraction form
    388,134,370,678.50/582,213,416,658.21 = 133,160,177,572.38/x
  3. Step 3: Cross multiply
    388,134,370,678.50x = 582,213,416,658.21 × 133,160,177,572.38
  4. Step 4: Simplify right side
    388,134,370,678.50x = 77,527,641,947,229,300,719,616
  5. Step 5: Solve for x
    x = 77,527,641,947,229,300,719,616/388,134,370,678.50
  6. Step 6: Final answer
    x = 199,744,335,477.69

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1.5x scale

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.