Home / 7,385,339,905.40-11,078,009,858.10-2,215,481,857.40

Finding the Fourth Proportional to 7,385,339,905.40, 11,078,009,858.10 and 2,215,481,857.40

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Solution

The fourth proportional to 7,385,339,905.40, 11,078,009,858.10 and 2,215,481,857.40 is: 3,323,222,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385,339,905.40 : 11,078,009,858.10 = 2,215,481,857.40 : x
  2. Step 2: Convert to fraction form
    7,385,339,905.40/11,078,009,858.10 = 2,215,481,857.40/x
  3. Step 3: Cross multiply
    7,385,339,905.40x = 11,078,009,858.10 × 2,215,481,857.40
  4. Step 4: Simplify right side
    7,385,339,905.40x = 24,543,129,856,718,901,248
  5. Step 5: Solve for x
    x = 24,543,129,856,718,901,248/7,385,339,905.40
  6. Step 6: Final answer
    x = 3,323,222,786.10

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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.