Home / 769,879,480.40-1,154,819,220.60-252,185,087.60

Finding the Fourth Proportional to 769,879,480.40, 1,154,819,220.60 and 252,185,087.60

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Solution

The fourth proportional to 769,879,480.40, 1,154,819,220.60 and 252,185,087.60 is: 378,277,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,879,480.40 : 1,154,819,220.60 = 252,185,087.60 : x
  2. Step 2: Convert to fraction form
    769,879,480.40/1,154,819,220.60 = 252,185,087.60/x
  3. Step 3: Cross multiply
    769,879,480.40x = 1,154,819,220.60 × 252,185,087.60
  4. Step 4: Simplify right side
    769,879,480.40x = 291,228,186,309,174,720
  5. Step 5: Solve for x
    x = 291,228,186,309,174,720/769,879,480.40
  6. Step 6: Final answer
    x = 378,277,631.40

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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.