Home / 1,251,483,101.32-1,877,296,390.38-331,335,529.96

Finding the Fourth Proportional to 1,251,483,101.32, 1,877,296,390.38 and 331,335,529.96

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Solution

The fourth proportional to 1,251,483,101.32, 1,877,296,390.38 and 331,335,529.96 is: 497,022,287.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,483,101.32 : 1,877,296,390.38 = 331,335,529.96 : x
  2. Step 2: Convert to fraction form
    1,251,483,101.32/1,877,296,390.38 = 331,335,529.96/x
  3. Step 3: Cross multiply
    1,251,483,101.32x = 1,877,296,390.38 × 331,335,529.96
  4. Step 4: Simplify right side
    1,251,483,101.32x = 622,014,994,398,552,320
  5. Step 5: Solve for x
    x = 622,014,994,398,552,320/1,251,483,101.32
  6. Step 6: Final answer
    x = 497,022,287.99

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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.