Home / 406,533,867.80-609,813,958.55-193,531,982.85

Finding the Fourth Proportional to 406,533,867.80, 609,813,958.55 and 193,531,982.85

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Solution

The fourth proportional to 406,533,867.80, 609,813,958.55 and 193,531,982.85 is: 290,304,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,533,867.80 : 609,813,958.55 = 193,531,982.85 : x
  2. Step 2: Convert to fraction form
    406,533,867.80/609,813,958.55 = 193,531,982.85/x
  3. Step 3: Cross multiply
    406,533,867.80x = 609,813,958.55 × 193,531,982.85
  4. Step 4: Simplify right side
    406,533,867.80x = 118,018,504,566,821,536
  5. Step 5: Solve for x
    x = 118,018,504,566,821,536/406,533,867.80
  6. Step 6: Final answer
    x = 290,304,237.64

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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.