Home / 1,563,556,636.92-2,345,332,974.80-399,025,154.12

Finding the Fourth Proportional to 1,563,556,636.92, 2,345,332,974.80 and 399,025,154.12

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Solution

The fourth proportional to 1,563,556,636.92, 2,345,332,974.80 and 399,025,154.12 is: 598,537,225.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,556,636.92 : 2,345,332,974.80 = 399,025,154.12 : x
  2. Step 2: Convert to fraction form
    1,563,556,636.92/2,345,332,974.80 = 399,025,154.12/x
  3. Step 3: Cross multiply
    1,563,556,636.92x = 2,345,332,974.80 × 399,025,154.12
  4. Step 4: Simplify right side
    1,563,556,636.92x = 935,846,851,732,288,128
  5. Step 5: Solve for x
    x = 935,846,851,732,288,128/1,563,556,636.92
  6. Step 6: Final answer
    x = 598,537,225.73

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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.