Home / 440,129,383.80-659,774,171.70-163,706,580.60

Finding the Fourth Proportional to 440,129,383.80, 659,774,171.70 and 163,706,580.60

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Solution

The fourth proportional to 440,129,383.80, 659,774,171.70 and 163,706,580.60 is: 245,403,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,129,383.80 : 659,774,171.70 = 163,706,580.60 : x
  2. Step 2: Convert to fraction form
    440,129,383.80/659,774,171.70 = 163,706,580.60/x
  3. Step 3: Cross multiply
    440,129,383.80x = 659,774,171.70 × 163,706,580.60
  4. Step 4: Simplify right side
    440,129,383.80x = 108,009,373,617,204,288
  5. Step 5: Solve for x
    x = 108,009,373,617,204,288/440,129,383.80
  6. Step 6: Final answer
    x = 245,403,687.17

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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.