Home / 12,146,011,878.24-18,219,817,235.44-3,182,420,628.32

Finding the Fourth Proportional to 12,146,011,878.24, 18,219,817,235.44 and 3,182,420,628.32

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Solution

The fourth proportional to 12,146,011,878.24, 18,219,817,235.44 and 3,182,420,628.32 is: 4,773,840,400.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146,011,878.24 : 18,219,817,235.44 = 3,182,420,628.32 : x
  2. Step 2: Convert to fraction form
    12,146,011,878.24/18,219,817,235.44 = 3,182,420,628.32/x
  3. Step 3: Cross multiply
    12,146,011,878.24x = 18,219,817,235.44 × 3,182,420,628.32
  4. Step 4: Simplify right side
    12,146,011,878.24x = 57,983,122,214,284,525,568
  5. Step 5: Solve for x
    x = 57,983,122,214,284,525,568/12,146,011,878.24
  6. Step 6: Final answer
    x = 4,773,840,400.91

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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.