Home / 300,788,944.40-451,183,416.60-198,668,291.60

Finding the Fourth Proportional to 300,788,944.40, 451,183,416.60 and 198,668,291.60

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Solution

The fourth proportional to 300,788,944.40, 451,183,416.60 and 198,668,291.60 is: 298,002,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,788,944.40 : 451,183,416.60 = 198,668,291.60 : x
  2. Step 2: Convert to fraction form
    300,788,944.40/451,183,416.60 = 198,668,291.60/x
  3. Step 3: Cross multiply
    300,788,944.40x = 451,183,416.60 × 198,668,291.60
  4. Step 4: Simplify right side
    300,788,944.40x = 89,635,838,574,173,088
  5. Step 5: Solve for x
    x = 89,635,838,574,173,088/300,788,944.40
  6. Step 6: Final answer
    x = 298,002,437.40

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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.