Home / 1,816,690,552.40-2,507,032,577.40-981,315,144.56

Finding the Fourth Proportional to 1,816,690,552.40, 2,507,032,577.40 and 981,315,144.56

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Solution

The fourth proportional to 1,816,690,552.40, 2,507,032,577.40 and 981,315,144.56 is: 1,354,214,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,690,552.40 : 2,507,032,577.40 = 981,315,144.56 : x
  2. Step 2: Convert to fraction form
    1,816,690,552.40/2,507,032,577.40 = 981,315,144.56/x
  3. Step 3: Cross multiply
    1,816,690,552.40x = 2,507,032,577.40 × 981,315,144.56
  4. Step 4: Simplify right side
    1,816,690,552.40x = 2,460,189,036,107,910,144
  5. Step 5: Solve for x
    x = 2,460,189,036,107,910,144/1,816,690,552.40
  6. Step 6: Final answer
    x = 1,354,214,691.58

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1.5x scale

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.