Home / 1,775,191,143.70-2,662,786,715.55-740,794,381.30

Finding the Fourth Proportional to 1,775,191,143.70, 2,662,786,715.55 and 740,794,381.30

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Solution

The fourth proportional to 1,775,191,143.70, 2,662,786,715.55 and 740,794,381.30 is: 1,111,191,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,191,143.70 : 2,662,786,715.55 = 740,794,381.30 : x
  2. Step 2: Convert to fraction form
    1,775,191,143.70/2,662,786,715.55 = 740,794,381.30/x
  3. Step 3: Cross multiply
    1,775,191,143.70x = 2,662,786,715.55 × 740,794,381.30
  4. Step 4: Simplify right side
    1,775,191,143.70x = 1,972,577,437,479,721,472
  5. Step 5: Solve for x
    x = 1,972,577,437,479,721,472/1,775,191,143.70
  6. Step 6: Final answer
    x = 1,111,191,571.95

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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.