Home / 219,318,143,321.20-302,547,650,082.71-143,239,090,494.64

Finding the Fourth Proportional to 219,318,143,321.20, 302,547,650,082.71 and 143,239,090,494.64

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Solution

The fourth proportional to 219,318,143,321.20, 302,547,650,082.71 and 143,239,090,494.64 is: 197,597,196,350.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,318,143,321.20 : 302,547,650,082.71 = 143,239,090,494.64 : x
  2. Step 2: Convert to fraction form
    219,318,143,321.20/302,547,650,082.71 = 143,239,090,494.64/x
  3. Step 3: Cross multiply
    219,318,143,321.20x = 302,547,650,082.71 × 143,239,090,494.64
  4. Step 4: Simplify right side
    219,318,143,321.20x = 43,336,650,229,137,979,473,920
  5. Step 5: Solve for x
    x = 43,336,650,229,137,979,473,920/219,318,143,321.20
  6. Step 6: Final answer
    x = 197,597,196,350.83

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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.