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Finding the Fourth Proportional to 7,091,714,867.20, 10,637,572,300.80 and 7,091,714,867.20

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Solution

The fourth proportional to 7,091,714,867.20, 10,637,572,300.80 and 7,091,714,867.20 is: 10,637,572,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091,714,867.20 : 10,637,572,300.80 = 7,091,714,867.20 : x
  2. Step 2: Convert to fraction form
    7,091,714,867.20/10,637,572,300.80 = 7,091,714,867.20/x
  3. Step 3: Cross multiply
    7,091,714,867.20x = 10,637,572,300.80 × 7,091,714,867.20
  4. Step 4: Simplify right side
    7,091,714,867.20x = 75,438,629,636,498,259,968
  5. Step 5: Solve for x
    x = 75,438,629,636,498,259,968/7,091,714,867.20
  6. Step 6: Final answer
    x = 10,637,572,300.80

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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.