Home / 959,918,449.89-1,439,877,678.29-269,825,703.86

Finding the Fourth Proportional to 959,918,449.89, 1,439,877,678.29 and 269,825,703.86

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Solution

The fourth proportional to 959,918,449.89, 1,439,877,678.29 and 269,825,703.86 is: 404,738,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,918,449.89 : 1,439,877,678.29 = 269,825,703.86 : x
  2. Step 2: Convert to fraction form
    959,918,449.89/1,439,877,678.29 = 269,825,703.86/x
  3. Step 3: Cross multiply
    959,918,449.89x = 1,439,877,678.29 × 269,825,703.86
  4. Step 4: Simplify right side
    959,918,449.89x = 388,516,008,018,179,392
  5. Step 5: Solve for x
    x = 388,516,008,018,179,392/959,918,449.89
  6. Step 6: Final answer
    x = 404,738,556.76

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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.