Home / 1,289,120,502,326.50-1,778,991,823,932.60-703,183,116,962.30

Finding the Fourth Proportional to 1,289,120,502,326.50, 1,778,991,823,932.60 and 703,183,116,962.30

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Solution

The fourth proportional to 1,289,120,502,326.50, 1,778,991,823,932.60 and 703,183,116,962.30 is: 970,395,718,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,120,502,326.50 : 1,778,991,823,932.60 = 703,183,116,962.30 : x
  2. Step 2: Convert to fraction form
    1,289,120,502,326.50/1,778,991,823,932.60 = 703,183,116,962.30/x
  3. Step 3: Cross multiply
    1,289,120,502,326.50x = 1,778,991,823,932.60 × 703,183,116,962.30
  4. Step 4: Simplify right side
    1,289,120,502,326.50x = 1,250,957,015,803,373,067,173,888
  5. Step 5: Solve for x
    x = 1,250,957,015,803,373,067,173,888/1,289,120,502,326.50
  6. Step 6: Final answer
    x = 970,395,718,279.05

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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.