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Finding the Fourth Proportional to 264,031,326,077.20, 396,046,989,115.80 and 264,031,326,077.20

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Solution

The fourth proportional to 264,031,326,077.20, 396,046,989,115.80 and 264,031,326,077.20 is: 396,046,989,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,031,326,077.20 : 396,046,989,115.80 = 264,031,326,077.20 : x
  2. Step 2: Convert to fraction form
    264,031,326,077.20/396,046,989,115.80 = 264,031,326,077.20/x
  3. Step 3: Cross multiply
    264,031,326,077.20x = 396,046,989,115.80 × 264,031,326,077.20
  4. Step 4: Simplify right side
    264,031,326,077.20x = 104,568,811,725,127,067,631,616
  5. Step 5: Solve for x
    x = 104,568,811,725,127,067,631,616/264,031,326,077.20
  6. Step 6: Final answer
    x = 396,046,989,115.80

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1.5x scale

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.