Home / 930,204,021.10-1,395,306,031.65-800,957,569.90

Finding the Fourth Proportional to 930,204,021.10, 1,395,306,031.65 and 800,957,569.90

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Solution

The fourth proportional to 930,204,021.10, 1,395,306,031.65 and 800,957,569.90 is: 1,201,436,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,204,021.10 : 1,395,306,031.65 = 800,957,569.90 : x
  2. Step 2: Convert to fraction form
    930,204,021.10/1,395,306,031.65 = 800,957,569.90/x
  3. Step 3: Cross multiply
    930,204,021.10x = 1,395,306,031.65 × 800,957,569.90
  4. Step 4: Simplify right side
    930,204,021.10x = 1,117,580,928,377,196,544
  5. Step 5: Solve for x
    x = 1,117,580,928,377,196,544/930,204,021.10
  6. Step 6: Final answer
    x = 1,201,436,354.85

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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.