Home / 9,053,715,789.88-12,494,128,390.85-5,039,299,907.78

Finding the Fourth Proportional to 9,053,715,789.88, 12,494,128,390.85 and 5,039,299,907.78

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Solution

The fourth proportional to 9,053,715,789.88, 12,494,128,390.85 and 5,039,299,907.78 is: 6,954,234,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053,715,789.88 : 12,494,128,390.85 = 5,039,299,907.78 : x
  2. Step 2: Convert to fraction form
    9,053,715,789.88/12,494,128,390.85 = 5,039,299,907.78/x
  3. Step 3: Cross multiply
    9,053,715,789.88x = 12,494,128,390.85 × 5,039,299,907.78
  4. Step 4: Simplify right side
    9,053,715,789.88x = 62,961,660,047,749,480,448
  5. Step 5: Solve for x
    x = 62,961,660,047,749,480,448/9,053,715,789.88
  6. Step 6: Final answer
    x = 6,954,234,207.15

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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.