Home / 358,168,600.20-537,252,900.30-115,855,998.60

Finding the Fourth Proportional to 358,168,600.20, 537,252,900.30 and 115,855,998.60

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Solution

The fourth proportional to 358,168,600.20, 537,252,900.30 and 115,855,998.60 is: 173,783,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,168,600.20 : 537,252,900.30 = 115,855,998.60 : x
  2. Step 2: Convert to fraction form
    358,168,600.20/537,252,900.30 = 115,855,998.60/x
  3. Step 3: Cross multiply
    358,168,600.20x = 537,252,900.30 × 115,855,998.60
  4. Step 4: Simplify right side
    358,168,600.20x = 62,243,971,265,002,728
  5. Step 5: Solve for x
    x = 62,243,971,265,002,728/358,168,600.20
  6. Step 6: Final answer
    x = 173,783,997.90

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1.5x scale

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.