Home / 394,971,229.55-592,382,774.57-198,181,804.74

Finding the Fourth Proportional to 394,971,229.55, 592,382,774.57 and 198,181,804.74

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Solution

The fourth proportional to 394,971,229.55, 592,382,774.57 and 198,181,804.74 is: 297,235,541.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,971,229.55 : 592,382,774.57 = 198,181,804.74 : x
  2. Step 2: Convert to fraction form
    394,971,229.55/592,382,774.57 = 198,181,804.74/x
  3. Step 3: Cross multiply
    394,971,229.55x = 592,382,774.57 × 198,181,804.74
  4. Step 4: Simplify right side
    394,971,229.55x = 117,399,487,362,397,840
  5. Step 5: Solve for x
    x = 117,399,487,362,397,840/394,971,229.55
  6. Step 6: Final answer
    x = 297,235,541.68

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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.