Home / 921,205,197.96-1,382,050,160.37-331,055,057.76

Finding the Fourth Proportional to 921,205,197.96, 1,382,050,160.37 and 331,055,057.76

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Solution

The fourth proportional to 921,205,197.96, 1,382,050,160.37 and 331,055,057.76 is: 496,669,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,205,197.96 : 1,382,050,160.37 = 331,055,057.76 : x
  2. Step 2: Convert to fraction form
    921,205,197.96/1,382,050,160.37 = 331,055,057.76/x
  3. Step 3: Cross multiply
    921,205,197.96x = 1,382,050,160.37 × 331,055,057.76
  4. Step 4: Simplify right side
    921,205,197.96x = 457,534,695,668,507,584
  5. Step 5: Solve for x
    x = 457,534,695,668,507,584/921,205,197.96
  6. Step 6: Final answer
    x = 496,669,685.19

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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.