Home / 381,466,946.88-571,366,177.56-270,466,152.84

Finding the Fourth Proportional to 381,466,946.88, 571,366,177.56 and 270,466,152.84

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Solution

The fourth proportional to 381,466,946.88, 571,366,177.56 and 270,466,152.84 is: 405,107,737.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,466,946.88 : 571,366,177.56 = 270,466,152.84 : x
  2. Step 2: Convert to fraction form
    381,466,946.88/571,366,177.56 = 270,466,152.84/x
  3. Step 3: Cross multiply
    381,466,946.88x = 571,366,177.56 × 270,466,152.84
  4. Step 4: Simplify right side
    381,466,946.88x = 154,535,211,907,549,504
  5. Step 5: Solve for x
    x = 154,535,211,907,549,504/381,466,946.88
  6. Step 6: Final answer
    x = 405,107,737.83

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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.