Home / 290,326,066.20-435,489,099.30-193,580,184.60

Finding the Fourth Proportional to 290,326,066.20, 435,489,099.30 and 193,580,184.60

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Solution

The fourth proportional to 290,326,066.20, 435,489,099.30 and 193,580,184.60 is: 290,370,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,326,066.20 : 435,489,099.30 = 193,580,184.60 : x
  2. Step 2: Convert to fraction form
    290,326,066.20/435,489,099.30 = 193,580,184.60/x
  3. Step 3: Cross multiply
    290,326,066.20x = 435,489,099.30 × 193,580,184.60
  4. Step 4: Simplify right side
    290,326,066.20x = 84,302,060,233,781,728
  5. Step 5: Solve for x
    x = 84,302,060,233,781,728/290,326,066.20
  6. Step 6: Final answer
    x = 290,370,276.90

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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.