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Finding the Fourth Proportional to 31,496,931,019.20, 47,245,396,528.80 and 31,496,931,019.20

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Solution

The fourth proportional to 31,496,931,019.20, 47,245,396,528.80 and 31,496,931,019.20 is: 47,245,396,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,496,931,019.20 : 47,245,396,528.80 = 31,496,931,019.20 : x
  2. Step 2: Convert to fraction form
    31,496,931,019.20/47,245,396,528.80 = 31,496,931,019.20/x
  3. Step 3: Cross multiply
    31,496,931,019.20x = 47,245,396,528.80 × 31,496,931,019.20
  4. Step 4: Simplify right side
    31,496,931,019.20x = 1,488,084,995,442,364,907,520
  5. Step 5: Solve for x
    x = 1,488,084,995,442,364,907,520/31,496,931,019.20
  6. Step 6: Final answer
    x = 47,245,396,528.80

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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.