Home / 468,057,654.48-645,608,549.16-301,005,120.72

Finding the Fourth Proportional to 468,057,654.48, 645,608,549.16 and 301,005,120.72

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Solution

The fourth proportional to 468,057,654.48, 645,608,549.16 and 301,005,120.72 is: 415,187,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,057,654.48 : 645,608,549.16 = 301,005,120.72 : x
  2. Step 2: Convert to fraction form
    468,057,654.48/645,608,549.16 = 301,005,120.72/x
  3. Step 3: Cross multiply
    468,057,654.48x = 645,608,549.16 × 301,005,120.72
  4. Step 4: Simplify right side
    468,057,654.48x = 194,331,479,277,769,856
  5. Step 5: Solve for x
    x = 194,331,479,277,769,856/468,057,654.48
  6. Step 6: Final answer
    x = 415,187,055.31

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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.