Home / 1,279,687,210.70-1,919,530,816.05-1,131,734,036.30

Finding the Fourth Proportional to 1,279,687,210.70, 1,919,530,816.05 and 1,131,734,036.30

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Solution

The fourth proportional to 1,279,687,210.70, 1,919,530,816.05 and 1,131,734,036.30 is: 1,697,601,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,687,210.70 : 1,919,530,816.05 = 1,131,734,036.30 : x
  2. Step 2: Convert to fraction form
    1,279,687,210.70/1,919,530,816.05 = 1,131,734,036.30/x
  3. Step 3: Cross multiply
    1,279,687,210.70x = 1,919,530,816.05 × 1,131,734,036.30
  4. Step 4: Simplify right side
    1,279,687,210.70x = 2,172,398,358,250,499,072
  5. Step 5: Solve for x
    x = 2,172,398,358,250,499,072/1,279,687,210.70
  6. Step 6: Final answer
    x = 1,697,601,054.45

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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.