Home / 3,151,872,000.30-4,727,808,000.45-1,431,945,216.30

Finding the Fourth Proportional to 3,151,872,000.30, 4,727,808,000.45 and 1,431,945,216.30

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Solution

The fourth proportional to 3,151,872,000.30, 4,727,808,000.45 and 1,431,945,216.30 is: 2,147,917,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,872,000.30 : 4,727,808,000.45 = 1,431,945,216.30 : x
  2. Step 2: Convert to fraction form
    3,151,872,000.30/4,727,808,000.45 = 1,431,945,216.30/x
  3. Step 3: Cross multiply
    3,151,872,000.30x = 4,727,808,000.45 × 1,431,945,216.30
  4. Step 4: Simplify right side
    3,151,872,000.30x = 6,769,962,049,829,244,928
  5. Step 5: Solve for x
    x = 6,769,962,049,829,244,928/3,151,872,000.30
  6. Step 6: Final answer
    x = 2,147,917,824.45

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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.