Home / 1,563,556,646.43-2,345,332,989.06-399,025,163.61

Finding the Fourth Proportional to 1,563,556,646.43, 2,345,332,989.06 and 399,025,163.61

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Solution

The fourth proportional to 1,563,556,646.43, 2,345,332,989.06 and 399,025,163.61 is: 598,537,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,556,646.43 : 2,345,332,989.06 = 399,025,163.61 : x
  2. Step 2: Convert to fraction form
    1,563,556,646.43/2,345,332,989.06 = 399,025,163.61/x
  3. Step 3: Cross multiply
    1,563,556,646.43x = 2,345,332,989.06 × 399,025,163.61
  4. Step 4: Simplify right side
    1,563,556,646.43x = 935,846,879,679,596,800
  5. Step 5: Solve for x
    x = 935,846,879,679,596,800/1,563,556,646.43
  6. Step 6: Final answer
    x = 598,537,239.96

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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.