Home / 1,289,120,502,326-1,778,991,823,931.90-703,183,116,961.80

Finding the Fourth Proportional to 1,289,120,502,326, 1,778,991,823,931.90 and 703,183,116,961.80

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Solution

The fourth proportional to 1,289,120,502,326, 1,778,991,823,931.90 and 703,183,116,961.80 is: 970,395,718,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,120,502,326 : 1,778,991,823,931.90 = 703,183,116,961.80 : x
  2. Step 2: Convert to fraction form
    1,289,120,502,326/1,778,991,823,931.90 = 703,183,116,961.80/x
  3. Step 3: Cross multiply
    1,289,120,502,326x = 1,778,991,823,931.90 × 703,183,116,961.80
  4. Step 4: Simplify right side
    1,289,120,502,326x = 1,250,957,015,801,991,161,446,400
  5. Step 5: Solve for x
    x = 1,250,957,015,801,991,161,446,400/1,289,120,502,326
  6. Step 6: Final answer
    x = 970,395,718,278.35

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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.