Home / 1,689,467,953.86-2,331,251,452.13-926,311,209.26

Finding the Fourth Proportional to 1,689,467,953.86, 2,331,251,452.13 and 926,311,209.26

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Solution

The fourth proportional to 1,689,467,953.86, 2,331,251,452.13 and 926,311,209.26 is: 1,278,191,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,467,953.86 : 2,331,251,452.13 = 926,311,209.26 : x
  2. Step 2: Convert to fraction form
    1,689,467,953.86/2,331,251,452.13 = 926,311,209.26/x
  3. Step 3: Cross multiply
    1,689,467,953.86x = 2,331,251,452.13 × 926,311,209.26
  4. Step 4: Simplify right side
    1,689,467,953.86x = 2,159,464,351,695,383,552
  5. Step 5: Solve for x
    x = 2,159,464,351,695,383,552/1,689,467,953.86
  6. Step 6: Final answer
    x = 1,278,191,957.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.