Home / 921,205,196.46-1,382,050,158.12-331,055,056.26

Finding the Fourth Proportional to 921,205,196.46, 1,382,050,158.12 and 331,055,056.26

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Solution

The fourth proportional to 921,205,196.46, 1,382,050,158.12 and 331,055,056.26 is: 496,669,682.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,205,196.46 : 1,382,050,158.12 = 331,055,056.26 : x
  2. Step 2: Convert to fraction form
    921,205,196.46/1,382,050,158.12 = 331,055,056.26/x
  3. Step 3: Cross multiply
    921,205,196.46x = 1,382,050,158.12 × 331,055,056.26
  4. Step 4: Simplify right side
    921,205,196.46x = 457,534,692,850,558,464
  5. Step 5: Solve for x
    x = 457,534,692,850,558,464/921,205,196.46
  6. Step 6: Final answer
    x = 496,669,682.94

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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.