Home / 500,622,325.52-690,860,344.20-277,619,709.20

Finding the Fourth Proportional to 500,622,325.52, 690,860,344.20 and 277,619,709.20

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Solution

The fourth proportional to 500,622,325.52, 690,860,344.20 and 277,619,709.20 is: 383,116,049.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,622,325.52 : 690,860,344.20 = 277,619,709.20 : x
  2. Step 2: Convert to fraction form
    500,622,325.52/690,860,344.20 = 277,619,709.20/x
  3. Step 3: Cross multiply
    500,622,325.52x = 690,860,344.20 × 277,619,709.20
  4. Step 4: Simplify right side
    500,622,325.52x = 191,796,447,854,615,904
  5. Step 5: Solve for x
    x = 191,796,447,854,615,904/500,622,325.52
  6. Step 6: Final answer
    x = 383,116,049.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.