Home / 1,108,864,164.36-1,662,735,752.28-648,940,513.80

Finding the Fourth Proportional to 1,108,864,164.36, 1,662,735,752.28 and 648,940,513.80

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Solution

The fourth proportional to 1,108,864,164.36, 1,662,735,752.28 and 648,940,513.80 is: 973,082,752.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,864,164.36 : 1,662,735,752.28 = 648,940,513.80 : x
  2. Step 2: Convert to fraction form
    1,108,864,164.36/1,662,735,752.28 = 648,940,513.80/x
  3. Step 3: Cross multiply
    1,108,864,164.36x = 1,662,735,752.28 × 648,940,513.80
  4. Step 4: Simplify right side
    1,108,864,164.36x = 1,079,016,593,398,212,608
  5. Step 5: Solve for x
    x = 1,079,016,593,398,212,608/1,108,864,164.36
  6. Step 6: Final answer
    x = 973,082,752.68

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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.