Home / 12,613,373,975.64-18,921,942,285.84-4,644,929,519.28

Finding the Fourth Proportional to 12,613,373,975.64, 18,921,942,285.84 and 4,644,929,519.28

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Solution

The fourth proportional to 12,613,373,975.64, 18,921,942,285.84 and 4,644,929,519.28 is: 6,968,087,084.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613,373,975.64 : 18,921,942,285.84 = 4,644,929,519.28 : x
  2. Step 2: Convert to fraction form
    12,613,373,975.64/18,921,942,285.84 = 4,644,929,519.28/x
  3. Step 3: Cross multiply
    12,613,373,975.64x = 18,921,942,285.84 × 4,644,929,519.28
  4. Step 4: Simplify right side
    12,613,373,975.64x = 87,891,088,285,610,688,512
  5. Step 5: Solve for x
    x = 87,891,088,285,610,688,512/12,613,373,975.64
  6. Step 6: Final answer
    x = 6,968,087,084.02

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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.