Home / 1,918,843,544.42-2,648,004,978.57-1,038,777,249.38

Finding the Fourth Proportional to 1,918,843,544.42, 2,648,004,978.57 and 1,038,777,249.38

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Solution

The fourth proportional to 1,918,843,544.42, 2,648,004,978.57 and 1,038,777,249.38 is: 1,433,513,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,843,544.42 : 2,648,004,978.57 = 1,038,777,249.38 : x
  2. Step 2: Convert to fraction form
    1,918,843,544.42/2,648,004,978.57 = 1,038,777,249.38/x
  3. Step 3: Cross multiply
    1,918,843,544.42x = 2,648,004,978.57 × 1,038,777,249.38
  4. Step 4: Simplify right side
    1,918,843,544.42x = 2,750,687,327,983,490,560
  5. Step 5: Solve for x
    x = 2,750,687,327,983,490,560/1,918,843,544.42
  6. Step 6: Final answer
    x = 1,433,513,084.47

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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.