Home / 9,215,037,749.36-12,716,661,560.19-4,985,856,843.41

Finding the Fourth Proportional to 9,215,037,749.36, 12,716,661,560.19 and 4,985,856,843.41

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Solution

The fourth proportional to 9,215,037,749.36, 12,716,661,560.19 and 4,985,856,843.41 is: 6,880,433,459.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,037,749.36 : 12,716,661,560.19 = 4,985,856,843.41 : x
  2. Step 2: Convert to fraction form
    9,215,037,749.36/12,716,661,560.19 = 4,985,856,843.41/x
  3. Step 3: Cross multiply
    9,215,037,749.36x = 12,716,661,560.19 × 4,985,856,843.41
  4. Step 4: Simplify right side
    9,215,037,749.36x = 63,403,454,065,202,200,576
  5. Step 5: Solve for x
    x = 63,403,454,065,202,200,576/9,215,037,749.36
  6. Step 6: Final answer
    x = 6,880,433,459.93

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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.