Home / 442,868,566.40-664,302,849.60-270,681,682.40

Finding the Fourth Proportional to 442,868,566.40, 664,302,849.60 and 270,681,682.40

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Solution

The fourth proportional to 442,868,566.40, 664,302,849.60 and 270,681,682.40 is: 406,022,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,566.40 : 664,302,849.60 = 270,681,682.40 : x
  2. Step 2: Convert to fraction form
    442,868,566.40/664,302,849.60 = 270,681,682.40/x
  3. Step 3: Cross multiply
    442,868,566.40x = 664,302,849.60 × 270,681,682.40
  4. Step 4: Simplify right side
    442,868,566.40x = 179,814,612,952,842,144
  5. Step 5: Solve for x
    x = 179,814,612,952,842,144/442,868,566.40
  6. Step 6: Final answer
    x = 406,022,523.60

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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.