Home / 7,097,774,790.72-9,794,271,887.10-3,925,890,439.68

Finding the Fourth Proportional to 7,097,774,790.72, 9,794,271,887.10 and 3,925,890,439.68

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Solution

The fourth proportional to 7,097,774,790.72, 9,794,271,887.10 and 3,925,890,439.68 is: 5,417,365,230.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,097,774,790.72 : 9,794,271,887.10 = 3,925,890,439.68 : x
  2. Step 2: Convert to fraction form
    7,097,774,790.72/9,794,271,887.10 = 3,925,890,439.68/x
  3. Step 3: Cross multiply
    7,097,774,790.72x = 9,794,271,887.10 × 3,925,890,439.68
  4. Step 4: Simplify right side
    7,097,774,790.72x = 38,451,238,365,192,478,720
  5. Step 5: Solve for x
    x = 38,451,238,365,192,478,720/7,097,774,790.72
  6. Step 6: Final answer
    x = 5,417,365,230.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.