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Finding the Fourth Proportional to 264,059,375.40, 396,087,094.80 and 79,826,495.40

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Solution

The fourth proportional to 264,059,375.40, 396,087,094.80 and 79,826,495.40 is: 119,739,148.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,059,375.40 : 396,087,094.80 = 79,826,495.40 : x
  2. Step 2: Convert to fraction form
    264,059,375.40/396,087,094.80 = 79,826,495.40/x
  3. Step 3: Cross multiply
    264,059,375.40x = 396,087,094.80 × 79,826,495.40
  4. Step 4: Simplify right side
    264,059,375.40x = 31,618,244,651,051,568
  5. Step 5: Solve for x
    x = 31,618,244,651,051,568/264,059,375.40
  6. Step 6: Final answer
    x = 119,739,148.07

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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.