Home / 689,498,642,138.20-1,034,247,963,207.30-689,498,642,138.20

Finding the Fourth Proportional to 689,498,642,138.20, 1,034,247,963,207.30 and 689,498,642,138.20

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Solution

The fourth proportional to 689,498,642,138.20, 1,034,247,963,207.30 and 689,498,642,138.20 is: 1,034,247,963,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,498,642,138.20 : 1,034,247,963,207.30 = 689,498,642,138.20 : x
  2. Step 2: Convert to fraction form
    689,498,642,138.20/1,034,247,963,207.30 = 689,498,642,138.20/x
  3. Step 3: Cross multiply
    689,498,642,138.20x = 1,034,247,963,207.30 × 689,498,642,138.20
  4. Step 4: Simplify right side
    689,498,642,138.20x = 713,112,566,265,632,348,176,384
  5. Step 5: Solve for x
    x = 713,112,566,265,632,348,176,384/689,498,642,138.20
  6. Step 6: Final answer
    x = 1,034,247,963,207.30

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Double scale
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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.