Home / 5,347,206,507.20-8,020,809,760.80-5,120,493,776.60

Finding the Fourth Proportional to 5,347,206,507.20, 8,020,809,760.80 and 5,120,493,776.60

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Solution

The fourth proportional to 5,347,206,507.20, 8,020,809,760.80 and 5,120,493,776.60 is: 7,680,740,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347,206,507.20 : 8,020,809,760.80 = 5,120,493,776.60 : x
  2. Step 2: Convert to fraction form
    5,347,206,507.20/8,020,809,760.80 = 5,120,493,776.60/x
  3. Step 3: Cross multiply
    5,347,206,507.20x = 8,020,809,760.80 × 5,120,493,776.60
  4. Step 4: Simplify right side
    5,347,206,507.20x = 41,070,506,463,468,937,216
  5. Step 5: Solve for x
    x = 41,070,506,463,468,937,216/5,347,206,507.20
  6. Step 6: Final answer
    x = 7,680,740,664.90

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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.