Home / 931,040,393.99-1,284,893,092.91-513,351,387.59

Finding the Fourth Proportional to 931,040,393.99, 1,284,893,092.91 and 513,351,387.59

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Solution

The fourth proportional to 931,040,393.99, 1,284,893,092.91 and 513,351,387.59 is: 708,456,535.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,040,393.99 : 1,284,893,092.91 = 513,351,387.59 : x
  2. Step 2: Convert to fraction form
    931,040,393.99/1,284,893,092.91 = 513,351,387.59/x
  3. Step 3: Cross multiply
    931,040,393.99x = 1,284,893,092.91 × 513,351,387.59
  4. Step 4: Simplify right side
    931,040,393.99x = 659,601,652,147,588,480
  5. Step 5: Solve for x
    x = 659,601,652,147,588,480/931,040,393.99
  6. Step 6: Final answer
    x = 708,456,535.73

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Double scale
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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.