Home / 351,305,258,387.51-484,622,835,016.32-229,441,326,357.45

Finding the Fourth Proportional to 351,305,258,387.51, 484,622,835,016.32 and 229,441,326,357.45

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Solution

The fourth proportional to 351,305,258,387.51, 484,622,835,016.32 and 229,441,326,357.45 is: 316,512,501,291.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,305,258,387.51 : 484,622,835,016.32 = 229,441,326,357.45 : x
  2. Step 2: Convert to fraction form
    351,305,258,387.51/484,622,835,016.32 = 229,441,326,357.45/x
  3. Step 3: Cross multiply
    351,305,258,387.51x = 484,622,835,016.32 × 229,441,326,357.45
  4. Step 4: Simplify right side
    351,305,258,387.51x = 111,192,506,049,252,139,466,752
  5. Step 5: Solve for x
    x = 111,192,506,049,252,139,466,752/351,305,258,387.51
  6. Step 6: Final answer
    x = 316,512,501,291.97

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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.