Home / 330,985,930.89-456,760,562.97-191,837,405.32

Finding the Fourth Proportional to 330,985,930.89, 456,760,562.97 and 191,837,405.32

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Solution

The fourth proportional to 330,985,930.89, 456,760,562.97 and 191,837,405.32 is: 264,735,606.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,985,930.89 : 456,760,562.97 = 191,837,405.32 : x
  2. Step 2: Convert to fraction form
    330,985,930.89/456,760,562.97 = 191,837,405.32/x
  3. Step 3: Cross multiply
    330,985,930.89x = 456,760,562.97 × 191,837,405.32
  4. Step 4: Simplify right side
    330,985,930.89x = 87,623,761,252,667,280
  5. Step 5: Solve for x
    x = 87,623,761,252,667,280/330,985,930.89
  6. Step 6: Final answer
    x = 264,735,606.79

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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.