Home / 874,346,330.40-1,206,595,886.49-498,002,845.74

Finding the Fourth Proportional to 874,346,330.40, 1,206,595,886.49 and 498,002,845.74

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Solution

The fourth proportional to 874,346,330.40, 1,206,595,886.49 and 498,002,845.74 is: 687,242,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,346,330.40 : 1,206,595,886.49 = 498,002,845.74 : x
  2. Step 2: Convert to fraction form
    874,346,330.40/1,206,595,886.49 = 498,002,845.74/x
  3. Step 3: Cross multiply
    874,346,330.40x = 1,206,595,886.49 × 498,002,845.74
  4. Step 4: Simplify right side
    874,346,330.40x = 600,888,185,130,198,016
  5. Step 5: Solve for x
    x = 600,888,185,130,198,016/874,346,330.40
  6. Step 6: Final answer
    x = 687,242,759.81

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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.