Home / 769,825,616.90-1,154,738,425.35-360,923,101.70

Finding the Fourth Proportional to 769,825,616.90, 1,154,738,425.35 and 360,923,101.70

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Solution

The fourth proportional to 769,825,616.90, 1,154,738,425.35 and 360,923,101.70 is: 541,384,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,825,616.90 : 1,154,738,425.35 = 360,923,101.70 : x
  2. Step 2: Convert to fraction form
    769,825,616.90/1,154,738,425.35 = 360,923,101.70/x
  3. Step 3: Cross multiply
    769,825,616.90x = 1,154,738,425.35 × 360,923,101.70
  4. Step 4: Simplify right side
    769,825,616.90x = 416,771,774,129,495,872
  5. Step 5: Solve for x
    x = 416,771,774,129,495,872/769,825,616.90
  6. Step 6: Final answer
    x = 541,384,652.55

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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.