Home / 1,134,560,561.78-1,565,693,640.66-613,039,793.78

Finding the Fourth Proportional to 1,134,560,561.78, 1,565,693,640.66 and 613,039,793.78

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Solution

The fourth proportional to 1,134,560,561.78, 1,565,693,640.66 and 613,039,793.78 is: 845,994,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,560,561.78 : 1,565,693,640.66 = 613,039,793.78 : x
  2. Step 2: Convert to fraction form
    1,134,560,561.78/1,565,693,640.66 = 613,039,793.78/x
  3. Step 3: Cross multiply
    1,134,560,561.78x = 1,565,693,640.66 × 613,039,793.78
  4. Step 4: Simplify right side
    1,134,560,561.78x = 959,832,506,592,863,872
  5. Step 5: Solve for x
    x = 959,832,506,592,863,872/1,134,560,561.78
  6. Step 6: Final answer
    x = 845,994,950.76

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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.