Home / 1,348,101,615.40-2,022,152,423.10-378,753,231.40

Finding the Fourth Proportional to 1,348,101,615.40, 2,022,152,423.10 and 378,753,231.40

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Solution

The fourth proportional to 1,348,101,615.40, 2,022,152,423.10 and 378,753,231.40 is: 568,129,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,101,615.40 : 2,022,152,423.10 = 378,753,231.40 : x
  2. Step 2: Convert to fraction form
    1,348,101,615.40/2,022,152,423.10 = 378,753,231.40/x
  3. Step 3: Cross multiply
    1,348,101,615.40x = 2,022,152,423.10 × 378,753,231.40
  4. Step 4: Simplify right side
    1,348,101,615.40x = 765,896,764,632,464,896
  5. Step 5: Solve for x
    x = 765,896,764,632,464,896/1,348,101,615.40
  6. Step 6: Final answer
    x = 568,129,847.10

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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.