Home / 930,204,020.10-1,395,306,030.15-800,957,568.90

Finding the Fourth Proportional to 930,204,020.10, 1,395,306,030.15 and 800,957,568.90

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Solution

The fourth proportional to 930,204,020.10, 1,395,306,030.15 and 800,957,568.90 is: 1,201,436,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,204,020.10 : 1,395,306,030.15 = 800,957,568.90 : x
  2. Step 2: Convert to fraction form
    930,204,020.10/1,395,306,030.15 = 800,957,568.90/x
  3. Step 3: Cross multiply
    930,204,020.10x = 1,395,306,030.15 × 800,957,568.90
  4. Step 4: Simplify right side
    930,204,020.10x = 1,117,580,925,780,454,144
  5. Step 5: Solve for x
    x = 1,117,580,925,780,454,144/930,204,020.10
  6. Step 6: Final answer
    x = 1,201,436,353.35

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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.