Home / 404,039,418.76-557,574,157.62-218,400,437.32

Finding the Fourth Proportional to 404,039,418.76, 557,574,157.62 and 218,400,437.32

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Solution

The fourth proportional to 404,039,418.76, 557,574,157.62 and 218,400,437.32 is: 301,392,473.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,039,418.76 : 557,574,157.62 = 218,400,437.32 : x
  2. Step 2: Convert to fraction form
    404,039,418.76/557,574,157.62 = 218,400,437.32/x
  3. Step 3: Cross multiply
    404,039,418.76x = 557,574,157.62 × 218,400,437.32
  4. Step 4: Simplify right side
    404,039,418.76x = 121,774,439,862,538,608
  5. Step 5: Solve for x
    x = 121,774,439,862,538,608/404,039,418.76
  6. Step 6: Final answer
    x = 301,392,473.63

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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.