Home / 20,648,475,441.72-28,493,266,193.10-11,614,434,983.64

Finding the Fourth Proportional to 20,648,475,441.72, 28,493,266,193.10 and 11,614,434,983.64

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Solution

The fourth proportional to 20,648,475,441.72, 28,493,266,193.10 and 11,614,434,983.64 is: 16,027,003,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,648,475,441.72 : 28,493,266,193.10 = 11,614,434,983.64 : x
  2. Step 2: Convert to fraction form
    20,648,475,441.72/28,493,266,193.10 = 11,614,434,983.64/x
  3. Step 3: Cross multiply
    20,648,475,441.72x = 28,493,266,193.10 × 11,614,434,983.64
  4. Step 4: Simplify right side
    20,648,475,441.72x = 330,933,187,671,307,517,952
  5. Step 5: Solve for x
    x = 330,933,187,671,307,517,952/20,648,475,441.72
  6. Step 6: Final answer
    x = 16,027,003,475.65

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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.