Home / 693,270,983.79-1,039,906,412.55-305,093,814.05

Finding the Fourth Proportional to 693,270,983.79, 1,039,906,412.55 and 305,093,814.05

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Solution

The fourth proportional to 693,270,983.79, 1,039,906,412.55 and 305,093,814.05 is: 457,640,693.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,270,983.79 : 1,039,906,412.55 = 305,093,814.05 : x
  2. Step 2: Convert to fraction form
    693,270,983.79/1,039,906,412.55 = 305,093,814.05/x
  3. Step 3: Cross multiply
    693,270,983.79x = 1,039,906,412.55 × 305,093,814.05
  4. Step 4: Simplify right side
    693,270,983.79x = 317,269,013,662,532,032
  5. Step 5: Solve for x
    x = 317,269,013,662,532,032/693,270,983.79
  6. Step 6: Final answer
    x = 457,640,693.29

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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.