Home / 874,498,162.16-1,206,807,519.48-478,022,720.48

Finding the Fourth Proportional to 874,498,162.16, 1,206,807,519.48 and 478,022,720.48

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Solution

The fourth proportional to 874,498,162.16, 1,206,807,519.48 and 478,022,720.48 is: 659,671,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,498,162.16 : 1,206,807,519.48 = 478,022,720.48 : x
  2. Step 2: Convert to fraction form
    874,498,162.16/1,206,807,519.48 = 478,022,720.48/x
  3. Step 3: Cross multiply
    874,498,162.16x = 1,206,807,519.48 × 478,022,720.48
  4. Step 4: Simplify right side
    874,498,162.16x = 576,881,413,557,550,208
  5. Step 5: Solve for x
    x = 576,881,413,557,550,208/874,498,162.16
  6. Step 6: Final answer
    x = 659,671,384.71

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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.