Home / 330,937,932.77-456,743,997.28-251,422,145.39

Finding the Fourth Proportional to 330,937,932.77, 456,743,997.28 and 251,422,145.39

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Solution

The fourth proportional to 330,937,932.77, 456,743,997.28 and 251,422,145.39 is: 347,000,281.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,937,932.77 : 456,743,997.28 = 251,422,145.39 : x
  2. Step 2: Convert to fraction form
    330,937,932.77/456,743,997.28 = 251,422,145.39/x
  3. Step 3: Cross multiply
    330,937,932.77x = 456,743,997.28 × 251,422,145.39
  4. Step 4: Simplify right side
    330,937,932.77x = 114,835,555,689,031,168
  5. Step 5: Solve for x
    x = 114,835,555,689,031,168/330,937,932.77
  6. Step 6: Final answer
    x = 347,000,281.07

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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.