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Finding the Fourth Proportional to 5,280,768,025.05, 7,921,152,037.58 and 5,280,768,025.05

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Solution

The fourth proportional to 5,280,768,025.05, 7,921,152,037.58 and 5,280,768,025.05 is: 7,921,152,037.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,768,025.05 : 7,921,152,037.58 = 5,280,768,025.05 : x
  2. Step 2: Convert to fraction form
    5,280,768,025.05/7,921,152,037.58 = 5,280,768,025.05/x
  3. Step 3: Cross multiply
    5,280,768,025.05x = 7,921,152,037.58 × 5,280,768,025.05
  4. Step 4: Simplify right side
    5,280,768,025.05x = 41,829,766,401,612,120,064
  5. Step 5: Solve for x
    x = 41,829,766,401,612,120,064/5,280,768,025.05
  6. Step 6: Final answer
    x = 7,921,152,037.58

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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.