Home / 12,654,857,172.52-18,968,997,950.46-4,257,847,789

Finding the Fourth Proportional to 12,654,857,172.52, 18,968,997,950.46 and 4,257,847,789

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Solution

The fourth proportional to 12,654,857,172.52, 18,968,997,950.46 and 4,257,847,789 is: 6,382,300,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,857,172.52 : 18,968,997,950.46 = 4,257,847,789 : x
  2. Step 2: Convert to fraction form
    12,654,857,172.52/18,968,997,950.46 = 4,257,847,789/x
  3. Step 3: Cross multiply
    12,654,857,172.52x = 18,968,997,950.46 × 4,257,847,789
  4. Step 4: Simplify right side
    12,654,857,172.52x = 80,767,105,982,911,643,648
  5. Step 5: Solve for x
    x = 80,767,105,982,911,643,648/12,654,857,172.52
  6. Step 6: Final answer
    x = 6,382,300,873.24

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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.