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Finding the Fourth Proportional to 264,020,790,832.20, 396,031,186,248.30 and 264,020,790,832.20

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Solution

The fourth proportional to 264,020,790,832.20, 396,031,186,248.30 and 264,020,790,832.20 is: 396,031,186,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,020,790,832.20 : 396,031,186,248.30 = 264,020,790,832.20 : x
  2. Step 2: Convert to fraction form
    264,020,790,832.20/396,031,186,248.30 = 264,020,790,832.20/x
  3. Step 3: Cross multiply
    264,020,790,832.20x = 396,031,186,248.30 × 264,020,790,832.20
  4. Step 4: Simplify right side
    264,020,790,832.20x = 104,560,466,987,490,457,157,632
  5. Step 5: Solve for x
    x = 104,560,466,987,490,457,157,632/264,020,790,832.20
  6. Step 6: Final answer
    x = 396,031,186,248.30

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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.