Home / 8,465,235,941.10-12,682,548,410.85-7,240,795,877.10

Finding the Fourth Proportional to 8,465,235,941.10, 12,682,548,410.85 and 7,240,795,877.10

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Solution

The fourth proportional to 8,465,235,941.10, 12,682,548,410.85 and 7,240,795,877.10 is: 10,848,102,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465,235,941.10 : 12,682,548,410.85 = 7,240,795,877.10 : x
  2. Step 2: Convert to fraction form
    8,465,235,941.10/12,682,548,410.85 = 7,240,795,877.10/x
  3. Step 3: Cross multiply
    8,465,235,941.10x = 12,682,548,410.85 × 7,240,795,877.10
  4. Step 4: Simplify right side
    8,465,235,941.10x = 91,831,744,244,403,847,168
  5. Step 5: Solve for x
    x = 91,831,744,244,403,847,168/8,465,235,941.10
  6. Step 6: Final answer
    x = 10,848,102,153.72

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Double scale
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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.