Home / 330,938,018.22-456,744,114.86-251,422,231.17

Finding the Fourth Proportional to 330,938,018.22, 456,744,114.86 and 251,422,231.17

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Solution

The fourth proportional to 330,938,018.22, 456,744,114.86 and 251,422,231.17 is: 347,000,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,938,018.22 : 456,744,114.86 = 251,422,231.17 : x
  2. Step 2: Convert to fraction form
    330,938,018.22/456,744,114.86 = 251,422,231.17/x
  3. Step 3: Cross multiply
    330,938,018.22x = 456,744,114.86 × 251,422,231.17
  4. Step 4: Simplify right side
    330,938,018.22x = 114,835,624,430,610,832
  5. Step 5: Solve for x
    x = 114,835,624,430,610,832/330,938,018.22
  6. Step 6: Final answer
    x = 347,000,399.19

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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.