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Finding the Fourth Proportional to 298,980,995.60, 448,471,493.40 and 176,033,104.40

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Solution

The fourth proportional to 298,980,995.60, 448,471,493.40 and 176,033,104.40 is: 264,049,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,980,995.60 : 448,471,493.40 = 176,033,104.40 : x
  2. Step 2: Convert to fraction form
    298,980,995.60/448,471,493.40 = 176,033,104.40/x
  3. Step 3: Cross multiply
    298,980,995.60x = 448,471,493.40 × 176,033,104.40
  4. Step 4: Simplify right side
    298,980,995.60x = 78,945,829,218,106,112
  5. Step 5: Solve for x
    x = 78,945,829,218,106,112/298,980,995.60
  6. Step 6: Final answer
    x = 264,049,656.60

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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.