Home / 1,094,123,857.80-1,641,185,786.70-328,218,961.80

Finding the Fourth Proportional to 1,094,123,857.80, 1,641,185,786.70 and 328,218,961.80

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Solution

The fourth proportional to 1,094,123,857.80, 1,641,185,786.70 and 328,218,961.80 is: 492,328,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,123,857.80 : 1,641,185,786.70 = 328,218,961.80 : x
  2. Step 2: Convert to fraction form
    1,094,123,857.80/1,641,185,786.70 = 328,218,961.80/x
  3. Step 3: Cross multiply
    1,094,123,857.80x = 1,641,185,786.70 × 328,218,961.80
  4. Step 4: Simplify right side
    1,094,123,857.80x = 538,668,295,031,590,272
  5. Step 5: Solve for x
    x = 538,668,295,031,590,272/1,094,123,857.80
  6. Step 6: Final answer
    x = 492,328,442.70

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Double scale
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Similar ratio
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1.5x scale

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.