Home / 3,989,090,410.20-5,983,635,615.30-3,934,670,851.80

Finding the Fourth Proportional to 3,989,090,410.20, 5,983,635,615.30 and 3,934,670,851.80

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Solution

The fourth proportional to 3,989,090,410.20, 5,983,635,615.30 and 3,934,670,851.80 is: 5,902,006,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,090,410.20 : 5,983,635,615.30 = 3,934,670,851.80 : x
  2. Step 2: Convert to fraction form
    3,989,090,410.20/5,983,635,615.30 = 3,934,670,851.80/x
  3. Step 3: Cross multiply
    3,989,090,410.20x = 5,983,635,615.30 × 3,934,670,851.80
  4. Step 4: Simplify right side
    3,989,090,410.20x = 23,543,636,643,313,270,784
  5. Step 5: Solve for x
    x = 23,543,636,643,313,270,784/3,989,090,410.20
  6. Step 6: Final answer
    x = 5,902,006,277.70

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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.