Home / 701,434,046.58-967,980,866.88-388,189,861.62

Finding the Fourth Proportional to 701,434,046.58, 967,980,866.88 and 388,189,861.62

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Solution

The fourth proportional to 701,434,046.58, 967,980,866.88 and 388,189,861.62 is: 535,703,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,434,046.58 : 967,980,866.88 = 388,189,861.62 : x
  2. Step 2: Convert to fraction form
    701,434,046.58/967,980,866.88 = 388,189,861.62/x
  3. Step 3: Cross multiply
    701,434,046.58x = 967,980,866.88 × 388,189,861.62
  4. Step 4: Simplify right side
    701,434,046.58x = 375,760,358,764,954,816
  5. Step 5: Solve for x
    x = 375,760,358,764,954,816/701,434,046.58
  6. Step 6: Final answer
    x = 535,703,050.91

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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.