Home / 608,972,253.22-840,382,538.97-330,513,780.34

Finding the Fourth Proportional to 608,972,253.22, 840,382,538.97 and 330,513,780.34

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Solution

The fourth proportional to 608,972,253.22, 840,382,538.97 and 330,513,780.34 is: 456,109,467.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,972,253.22 : 840,382,538.97 = 330,513,780.34 : x
  2. Step 2: Convert to fraction form
    608,972,253.22/840,382,538.97 = 330,513,780.34/x
  3. Step 3: Cross multiply
    608,972,253.22x = 840,382,538.97 × 330,513,780.34
  4. Step 4: Simplify right side
    608,972,253.22x = 277,758,009,886,702,048
  5. Step 5: Solve for x
    x = 277,758,009,886,702,048/608,972,253.22
  6. Step 6: Final answer
    x = 456,109,467.09

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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.