Home / 1,289,120,502,173.40-1,778,991,823,721.70-703,183,116,809.25

Finding the Fourth Proportional to 1,289,120,502,173.40, 1,778,991,823,721.70 and 703,183,116,809.25

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Solution

The fourth proportional to 1,289,120,502,173.40, 1,778,991,823,721.70 and 703,183,116,809.25 is: 970,395,718,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,120,502,173.40 : 1,778,991,823,721.70 = 703,183,116,809.25 : x
  2. Step 2: Convert to fraction form
    1,289,120,502,173.40/1,778,991,823,721.70 = 703,183,116,809.25/x
  3. Step 3: Cross multiply
    1,289,120,502,173.40x = 1,778,991,823,721.70 × 703,183,116,809.25
  4. Step 4: Simplify right side
    1,289,120,502,173.40x = 1,250,957,015,382,796,716,212,224
  5. Step 5: Solve for x
    x = 1,250,957,015,382,796,716,212,224/1,289,120,502,173.40
  6. Step 6: Final answer
    x = 970,395,718,068.05

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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.