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Finding the Fourth Proportional to 2,457,846,868,803.90, 3,686,770,303,205.80 and 2,457,846,868,803.90

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Solution

The fourth proportional to 2,457,846,868,803.90, 3,686,770,303,205.80 and 2,457,846,868,803.90 is: 3,686,770,303,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457,846,868,803.90 : 3,686,770,303,205.80 = 2,457,846,868,803.90 : x
  2. Step 2: Convert to fraction form
    2,457,846,868,803.90/3,686,770,303,205.80 = 2,457,846,868,803.90/x
  3. Step 3: Cross multiply
    2,457,846,868,803.90x = 3,686,770,303,205.80 × 2,457,846,868,803.90
  4. Step 4: Simplify right side
    2,457,846,868,803.90x = 9,061,516,845,733,579,375,771,648
  5. Step 5: Solve for x
    x = 9,061,516,845,733,579,375,771,648/2,457,846,868,803.90
  6. Step 6: Final answer
    x = 3,686,770,303,205.80

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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.