Home / 338,288,986.20-507,383,712.90-95,976,384.60

Finding the Fourth Proportional to 338,288,986.20, 507,383,712.90 and 95,976,384.60

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Solution

The fourth proportional to 338,288,986.20, 507,383,712.90 and 95,976,384.60 is: 143,950,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,288,986.20 : 507,383,712.90 = 95,976,384.60 : x
  2. Step 2: Convert to fraction form
    338,288,986.20/507,383,712.90 = 95,976,384.60/x
  3. Step 3: Cross multiply
    338,288,986.20x = 507,383,712.90 × 95,976,384.60
  4. Step 4: Simplify right side
    338,288,986.20x = 48,696,854,369,066,376
  5. Step 5: Solve for x
    x = 48,696,854,369,066,376/338,288,986.20
  6. Step 6: Final answer
    x = 143,950,457.61

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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.