Home / 257,391,123,253.85-355,199,808,068.79-141,647,882,888.17

Finding the Fourth Proportional to 257,391,123,253.85, 355,199,808,068.79 and 141,647,882,888.17

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Solution

The fourth proportional to 257,391,123,253.85, 355,199,808,068.79 and 141,647,882,888.17 is: 195,474,110,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,391,123,253.85 : 355,199,808,068.79 = 141,647,882,888.17 : x
  2. Step 2: Convert to fraction form
    257,391,123,253.85/355,199,808,068.79 = 141,647,882,888.17/x
  3. Step 3: Cross multiply
    257,391,123,253.85x = 355,199,808,068.79 × 141,647,882,888.17
  4. Step 4: Simplify right side
    257,391,123,253.85x = 50,313,300,815,228,428,091,392
  5. Step 5: Solve for x
    x = 50,313,300,815,228,428,091,392/257,391,123,253.85
  6. Step 6: Final answer
    x = 195,474,110,292.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.