Home / 5,318,784,007.60-7,978,176,011.40-5,165,728,999.60

Finding the Fourth Proportional to 5,318,784,007.60, 7,978,176,011.40 and 5,165,728,999.60

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Solution

The fourth proportional to 5,318,784,007.60, 7,978,176,011.40 and 5,165,728,999.60 is: 7,748,593,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,784,007.60 : 7,978,176,011.40 = 5,165,728,999.60 : x
  2. Step 2: Convert to fraction form
    5,318,784,007.60/7,978,176,011.40 = 5,165,728,999.60/x
  3. Step 3: Cross multiply
    5,318,784,007.60x = 7,978,176,011.40 × 5,165,728,999.60
  4. Step 4: Simplify right side
    5,318,784,007.60x = 41,213,095,186,002,042,880
  5. Step 5: Solve for x
    x = 41,213,095,186,002,042,880/5,318,784,007.60
  6. Step 6: Final answer
    x = 7,748,593,499.40

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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.