Home / 1,760,410,859.20-2,638,936,672.80-654,719,646.40

Finding the Fourth Proportional to 1,760,410,859.20, 2,638,936,672.80 and 654,719,646.40

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Solution

The fourth proportional to 1,760,410,859.20, 2,638,936,672.80 and 654,719,646.40 is: 981,454,798.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,410,859.20 : 2,638,936,672.80 = 654,719,646.40 : x
  2. Step 2: Convert to fraction form
    1,760,410,859.20/2,638,936,672.80 = 654,719,646.40/x
  3. Step 3: Cross multiply
    1,760,410,859.20x = 2,638,936,672.80 × 654,719,646.40
  4. Step 4: Simplify right side
    1,760,410,859.20x = 1,727,763,685,287,608,576
  5. Step 5: Solve for x
    x = 1,727,763,685,287,608,576/1,760,410,859.20
  6. Step 6: Final answer
    x = 981,454,798.61

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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.