Home / 442,868,563.40-664,302,845.10-270,681,679.40

Finding the Fourth Proportional to 442,868,563.40, 664,302,845.10 and 270,681,679.40

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Solution

The fourth proportional to 442,868,563.40, 664,302,845.10 and 270,681,679.40 is: 406,022,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,563.40 : 664,302,845.10 = 270,681,679.40 : x
  2. Step 2: Convert to fraction form
    442,868,563.40/664,302,845.10 = 270,681,679.40/x
  3. Step 3: Cross multiply
    442,868,563.40x = 664,302,845.10 × 270,681,679.40
  4. Step 4: Simplify right side
    442,868,563.40x = 179,814,609,741,866,048
  5. Step 5: Solve for x
    x = 179,814,609,741,866,048/442,868,563.40
  6. Step 6: Final answer
    x = 406,022,519.10

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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.