Home / 12,146,011,872.21-18,219,817,226.44-3,182,420,622.32

Finding the Fourth Proportional to 12,146,011,872.21, 18,219,817,226.44 and 3,182,420,622.32

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Solution

The fourth proportional to 12,146,011,872.21, 18,219,817,226.44 and 3,182,420,622.32 is: 4,773,840,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146,011,872.21 : 18,219,817,226.44 = 3,182,420,622.32 : x
  2. Step 2: Convert to fraction form
    12,146,011,872.21/18,219,817,226.44 = 3,182,420,622.32/x
  3. Step 3: Cross multiply
    12,146,011,872.21x = 18,219,817,226.44 × 3,182,420,622.32
  4. Step 4: Simplify right side
    12,146,011,872.21x = 57,983,122,076,271,910,912
  5. Step 5: Solve for x
    x = 57,983,122,076,271,910,912/12,146,011,872.21
  6. Step 6: Final answer
    x = 4,773,840,391.92

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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.