Home / 524,921,533.60-787,379,436.24-214,027,929.76

Finding the Fourth Proportional to 524,921,533.60, 787,379,436.24 and 214,027,929.76

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Solution

The fourth proportional to 524,921,533.60, 787,379,436.24 and 214,027,929.76 is: 321,040,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,921,533.60 : 787,379,436.24 = 214,027,929.76 : x
  2. Step 2: Convert to fraction form
    524,921,533.60/787,379,436.24 = 214,027,929.76/x
  3. Step 3: Cross multiply
    524,921,533.60x = 787,379,436.24 × 214,027,929.76
  4. Step 4: Simplify right side
    524,921,533.60x = 168,521,190,674,043,104
  5. Step 5: Solve for x
    x = 168,521,190,674,043,104/524,921,533.60
  6. Step 6: Final answer
    x = 321,040,726.83

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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.