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Finding the Fourth Proportional to 328,679,751,421.60, 493,019,627,132.40 and 328,679,751,421.60

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Solution

The fourth proportional to 328,679,751,421.60, 493,019,627,132.40 and 328,679,751,421.60 is: 493,019,627,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,679,751,421.60 : 493,019,627,132.40 = 328,679,751,421.60 : x
  2. Step 2: Convert to fraction form
    328,679,751,421.60/493,019,627,132.40 = 328,679,751,421.60/x
  3. Step 3: Cross multiply
    328,679,751,421.60x = 493,019,627,132.40 × 328,679,751,421.60
  4. Step 4: Simplify right side
    328,679,751,421.60x = 162,045,568,491,847,134,740,480
  5. Step 5: Solve for x
    x = 162,045,568,491,847,134,740,480/328,679,751,421.60
  6. Step 6: Final answer
    x = 493,019,627,132.40

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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.