Home / 440,486,489.04-660,588,291.36-145,315,263.84

Finding the Fourth Proportional to 440,486,489.04, 660,588,291.36 and 145,315,263.84

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Solution

The fourth proportional to 440,486,489.04, 660,588,291.36 and 145,315,263.84 is: 217,926,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,486,489.04 : 660,588,291.36 = 145,315,263.84 : x
  2. Step 2: Convert to fraction form
    440,486,489.04/660,588,291.36 = 145,315,263.84/x
  3. Step 3: Cross multiply
    440,486,489.04x = 660,588,291.36 × 145,315,263.84
  4. Step 4: Simplify right side
    440,486,489.04x = 95,993,561,848,593,200
  5. Step 5: Solve for x
    x = 95,993,561,848,593,200/440,486,489.04
  6. Step 6: Final answer
    x = 217,926,234.37

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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.