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Finding the Fourth Proportional to 8,955,765,793.20, 13,433,648,689.80 and 8,955,765,793.20

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Solution

The fourth proportional to 8,955,765,793.20, 13,433,648,689.80 and 8,955,765,793.20 is: 13,433,648,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955,765,793.20 : 13,433,648,689.80 = 8,955,765,793.20 : x
  2. Step 2: Convert to fraction form
    8,955,765,793.20/13,433,648,689.80 = 8,955,765,793.20/x
  3. Step 3: Cross multiply
    8,955,765,793.20x = 13,433,648,689.80 × 8,955,765,793.20
  4. Step 4: Simplify right side
    8,955,765,793.20x = 120,308,611,413,976,842,240
  5. Step 5: Solve for x
    x = 120,308,611,413,976,842,240/8,955,765,793.20
  6. Step 6: Final answer
    x = 13,433,648,689.80

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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.