Home / 972,265,757.78-1,458,400,878.62-560,434,190.74

Finding the Fourth Proportional to 972,265,757.78, 1,458,400,878.62 and 560,434,190.74

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Solution

The fourth proportional to 972,265,757.78, 1,458,400,878.62 and 560,434,190.74 is: 840,652,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,265,757.78 : 1,458,400,878.62 = 560,434,190.74 : x
  2. Step 2: Convert to fraction form
    972,265,757.78/1,458,400,878.62 = 560,434,190.74/x
  3. Step 3: Cross multiply
    972,265,757.78x = 1,458,400,878.62 × 560,434,190.74
  4. Step 4: Simplify right side
    972,265,757.78x = 817,337,716,183,904,640
  5. Step 5: Solve for x
    x = 817,337,716,183,904,640/972,265,757.78
  6. Step 6: Final answer
    x = 840,652,578.42

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1.5x scale

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.