Home / 746,810,020.20-1,120,215,030.30-402,436,252.20

Finding the Fourth Proportional to 746,810,020.20, 1,120,215,030.30 and 402,436,252.20

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Solution

The fourth proportional to 746,810,020.20, 1,120,215,030.30 and 402,436,252.20 is: 603,654,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,810,020.20 : 1,120,215,030.30 = 402,436,252.20 : x
  2. Step 2: Convert to fraction form
    746,810,020.20/1,120,215,030.30 = 402,436,252.20/x
  3. Step 3: Cross multiply
    746,810,020.20x = 1,120,215,030.30 × 402,436,252.20
  4. Step 4: Simplify right side
    746,810,020.20x = 450,815,138,452,041,408
  5. Step 5: Solve for x
    x = 450,815,138,452,041,408/746,810,020.20
  6. Step 6: Final answer
    x = 603,654,378.30

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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.