Home / 440,129,212.80-659,773,915.20-163,706,409.60

Finding the Fourth Proportional to 440,129,212.80, 659,773,915.20 and 163,706,409.60

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Solution

The fourth proportional to 440,129,212.80, 659,773,915.20 and 163,706,409.60 is: 245,403,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,129,212.80 : 659,773,915.20 = 163,706,409.60 : x
  2. Step 2: Convert to fraction form
    440,129,212.80/659,773,915.20 = 163,706,409.60/x
  3. Step 3: Cross multiply
    440,129,212.80x = 659,773,915.20 × 163,706,409.60
  4. Step 4: Simplify right side
    440,129,212.80x = 108,009,218,805,126,864
  5. Step 5: Solve for x
    x = 108,009,218,805,126,864/440,129,212.80
  6. Step 6: Final answer
    x = 245,403,430.77

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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.