Home / 520,546,134.38-775,408,934.45-492,351,653.12

Finding the Fourth Proportional to 520,546,134.38, 775,408,934.45 and 492,351,653.12

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Solution

The fourth proportional to 520,546,134.38, 775,408,934.45 and 492,351,653.12 is: 733,410,250.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,546,134.38 : 775,408,934.45 = 492,351,653.12 : x
  2. Step 2: Convert to fraction form
    520,546,134.38/775,408,934.45 = 492,351,653.12/x
  3. Step 3: Cross multiply
    520,546,134.38x = 775,408,934.45 × 492,351,653.12
  4. Step 4: Simplify right side
    520,546,134.38x = 381,773,870,714,136,448
  5. Step 5: Solve for x
    x = 381,773,870,714,136,448/520,546,134.38
  6. Step 6: Final answer
    x = 733,410,250.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.