Home / 1,815,131,595.05-2,505,009,879.73-1,011,412,445.27

Finding the Fourth Proportional to 1,815,131,595.05, 2,505,009,879.73 and 1,011,412,445.27

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Solution

The fourth proportional to 1,815,131,595.05, 2,505,009,879.73 and 1,011,412,445.27 is: 1,395,820,652.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,131,595.05 : 2,505,009,879.73 = 1,011,412,445.27 : x
  2. Step 2: Convert to fraction form
    1,815,131,595.05/2,505,009,879.73 = 1,011,412,445.27/x
  3. Step 3: Cross multiply
    1,815,131,595.05x = 2,505,009,879.73 × 1,011,412,445.27
  4. Step 4: Simplify right side
    1,815,131,595.05x = 2,533,598,167,871,916,544
  5. Step 5: Solve for x
    x = 2,533,598,167,871,916,544/1,815,131,595.05
  6. Step 6: Final answer
    x = 1,395,820,652.77

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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.