Home / 1,745,780,927.57-2,619,016,360.55-640,396,047.86

Finding the Fourth Proportional to 1,745,780,927.57, 2,619,016,360.55 and 640,396,047.86

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Solution

The fourth proportional to 1,745,780,927.57, 2,619,016,360.55 and 640,396,047.86 is: 960,720,615.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,780,927.57 : 2,619,016,360.55 = 640,396,047.86 : x
  2. Step 2: Convert to fraction form
    1,745,780,927.57/2,619,016,360.55 = 640,396,047.86/x
  3. Step 3: Cross multiply
    1,745,780,927.57x = 2,619,016,360.55 × 640,396,047.86
  4. Step 4: Simplify right side
    1,745,780,927.57x = 1,677,207,726,576,900,864
  5. Step 5: Solve for x
    x = 1,677,207,726,576,900,864/1,745,780,927.57
  6. Step 6: Final answer
    x = 960,720,615.11

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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.