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Finding the Fourth Proportional to 593,171,998.80, 889,757,998.20 and 399,176,350.80

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Solution

The fourth proportional to 593,171,998.80, 889,757,998.20 and 399,176,350.80 is: 598,764,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,171,998.80 : 889,757,998.20 = 399,176,350.80 : x
  2. Step 2: Convert to fraction form
    593,171,998.80/889,757,998.20 = 399,176,350.80/x
  3. Step 3: Cross multiply
    593,171,998.80x = 889,757,998.20 × 399,176,350.80
  4. Step 4: Simplify right side
    593,171,998.80x = 355,170,350,816,588,992
  5. Step 5: Solve for x
    x = 355,170,350,816,588,992/593,171,998.80
  6. Step 6: Final answer
    x = 598,764,526.20

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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.