Home / 28,006,114,037.44-38,648,553,813.96-15,145,753,996.16

Finding the Fourth Proportional to 28,006,114,037.44, 38,648,553,813.96 and 15,145,753,996.16

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Solution

The fourth proportional to 28,006,114,037.44, 38,648,553,813.96 and 15,145,753,996.16 is: 20,901,203,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,114,037.44 : 38,648,553,813.96 = 15,145,753,996.16 : x
  2. Step 2: Convert to fraction form
    28,006,114,037.44/38,648,553,813.96 = 15,145,753,996.16/x
  3. Step 3: Cross multiply
    28,006,114,037.44x = 38,648,553,813.96 × 15,145,753,996.16
  4. Step 4: Simplify right side
    28,006,114,037.44x = 585,361,488,373,589,475,328
  5. Step 5: Solve for x
    x = 585,361,488,373,589,475,328/28,006,114,037.44
  6. Step 6: Final answer
    x = 20,901,203,486.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.