Home / 440,975,909.52-661,923,531.02-195,504,931.36

Finding the Fourth Proportional to 440,975,909.52, 661,923,531.02 and 195,504,931.36

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Solution

The fourth proportional to 440,975,909.52, 661,923,531.02 and 195,504,931.36 is: 293,461,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,975,909.52 : 661,923,531.02 = 195,504,931.36 : x
  2. Step 2: Convert to fraction form
    440,975,909.52/661,923,531.02 = 195,504,931.36/x
  3. Step 3: Cross multiply
    440,975,909.52x = 661,923,531.02 × 195,504,931.36
  4. Step 4: Simplify right side
    440,975,909.52x = 129,409,314,497,633,936
  5. Step 5: Solve for x
    x = 129,409,314,497,633,936/440,975,909.52
  6. Step 6: Final answer
    x = 293,461,188.48

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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.