Home / 696,202,971.55-1,044,190,937.50-204,801,317.78

Finding the Fourth Proportional to 696,202,971.55, 1,044,190,937.50 and 204,801,317.78

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Solution

The fourth proportional to 696,202,971.55, 1,044,190,937.50 and 204,801,317.78 is: 307,168,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,202,971.55 : 1,044,190,937.50 = 204,801,317.78 : x
  2. Step 2: Convert to fraction form
    696,202,971.55/1,044,190,937.50 = 204,801,317.78/x
  3. Step 3: Cross multiply
    696,202,971.55x = 1,044,190,937.50 × 204,801,317.78
  4. Step 4: Simplify right side
    696,202,971.55x = 213,851,680,008,200,640
  5. Step 5: Solve for x
    x = 213,851,680,008,200,640/696,202,971.55
  6. Step 6: Final answer
    x = 307,168,582.65

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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.