Home / 6,899,037,172,000.40-9,520,032,378,102-3,815,965,582,478.20

Finding the Fourth Proportional to 6,899,037,172,000.40, 9,520,032,378,102 and 3,815,965,582,478.20

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Solution

The fourth proportional to 6,899,037,172,000.40, 9,520,032,378,102 and 3,815,965,582,478.20 is: 5,265,679,107,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899,037,172,000.40 : 9,520,032,378,102 = 3,815,965,582,478.20 : x
  2. Step 2: Convert to fraction form
    6,899,037,172,000.40/9,520,032,378,102 = 3,815,965,582,478.20/x
  3. Step 3: Cross multiply
    6,899,037,172,000.40x = 9,520,032,378,102 × 3,815,965,582,478.20
  4. Step 4: Simplify right side
    6,899,037,172,000.40x = 36,328,115,898,915,325,927,751,680
  5. Step 5: Solve for x
    x = 36,328,115,898,915,325,927,751,680/6,899,037,172,000.40
  6. Step 6: Final answer
    x = 5,265,679,107,564.78

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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.