Home / 295,644,702.54-407,992,331.76-163,494,589.65

Finding the Fourth Proportional to 295,644,702.54, 407,992,331.76 and 163,494,589.65

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Solution

The fourth proportional to 295,644,702.54, 407,992,331.76 and 163,494,589.65 is: 225,623,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,644,702.54 : 407,992,331.76 = 163,494,589.65 : x
  2. Step 2: Convert to fraction form
    295,644,702.54/407,992,331.76 = 163,494,589.65/x
  3. Step 3: Cross multiply
    295,644,702.54x = 407,992,331.76 × 163,494,589.65
  4. Step 4: Simplify right side
    295,644,702.54x = 66,704,538,861,447,864
  5. Step 5: Solve for x
    x = 66,704,538,861,447,864/295,644,702.54
  6. Step 6: Final answer
    x = 225,623,994.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.