Home / 1,289,120,502,171.40-1,778,991,823,718.90-703,183,116,807.25

Finding the Fourth Proportional to 1,289,120,502,171.40, 1,778,991,823,718.90 and 703,183,116,807.25

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Solution

The fourth proportional to 1,289,120,502,171.40, 1,778,991,823,718.90 and 703,183,116,807.25 is: 970,395,718,065.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,120,502,171.40 : 1,778,991,823,718.90 = 703,183,116,807.25 : x
  2. Step 2: Convert to fraction form
    1,289,120,502,171.40/1,778,991,823,718.90 = 703,183,116,807.25/x
  3. Step 3: Cross multiply
    1,289,120,502,171.40x = 1,778,991,823,718.90 × 703,183,116,807.25
  4. Step 4: Simplify right side
    1,289,120,502,171.40x = 1,250,957,015,377,269,898,608,640
  5. Step 5: Solve for x
    x = 1,250,957,015,377,269,898,608,640/1,289,120,502,171.40
  6. Step 6: Final answer
    x = 970,395,718,065.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.