Home / 1,077,064,761.28-1,615,597,083.72-259,177,149.76

Finding the Fourth Proportional to 1,077,064,761.28, 1,615,597,083.72 and 259,177,149.76

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Solution

The fourth proportional to 1,077,064,761.28, 1,615,597,083.72 and 259,177,149.76 is: 388,765,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,064,761.28 : 1,615,597,083.72 = 259,177,149.76 : x
  2. Step 2: Convert to fraction form
    1,077,064,761.28/1,615,597,083.72 = 259,177,149.76/x
  3. Step 3: Cross multiply
    1,077,064,761.28x = 1,615,597,083.72 × 259,177,149.76
  4. Step 4: Simplify right side
    1,077,064,761.28x = 418,725,847,319,117,696
  5. Step 5: Solve for x
    x = 418,725,847,319,117,696/1,077,064,761.28
  6. Step 6: Final answer
    x = 388,765,710.64

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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.