Home / 689,341,616.19-1,034,175,842.39-198,043,012.13

Finding the Fourth Proportional to 689,341,616.19, 1,034,175,842.39 and 198,043,012.13

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Solution

The fourth proportional to 689,341,616.19, 1,034,175,842.39 and 198,043,012.13 is: 297,111,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,341,616.19 : 1,034,175,842.39 = 198,043,012.13 : x
  2. Step 2: Convert to fraction form
    689,341,616.19/1,034,175,842.39 = 198,043,012.13/x
  3. Step 3: Cross multiply
    689,341,616.19x = 1,034,175,842.39 × 198,043,012.13
  4. Step 4: Simplify right side
    689,341,616.19x = 204,811,298,894,319,968
  5. Step 5: Solve for x
    x = 204,811,298,894,319,968/689,341,616.19
  6. Step 6: Final answer
    x = 297,111,467.06

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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.