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Finding the Fourth Proportional to 3,359,506,412.80, 5,039,259,619.20 and 3,359,506,412.80

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Solution

The fourth proportional to 3,359,506,412.80, 5,039,259,619.20 and 3,359,506,412.80 is: 5,039,259,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359,506,412.80 : 5,039,259,619.20 = 3,359,506,412.80 : x
  2. Step 2: Convert to fraction form
    3,359,506,412.80/5,039,259,619.20 = 3,359,506,412.80/x
  3. Step 3: Cross multiply
    3,359,506,412.80x = 5,039,259,619.20 × 3,359,506,412.80
  4. Step 4: Simplify right side
    3,359,506,412.80x = 16,929,425,006,466,486,272
  5. Step 5: Solve for x
    x = 16,929,425,006,466,486,272/3,359,506,412.80
  6. Step 6: Final answer
    x = 5,039,259,619.20

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Double scale
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Similar ratio
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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.