Home / 487,967,645.52-673,407,051.30-264,958,725.78

Finding the Fourth Proportional to 487,967,645.52, 673,407,051.30 and 264,958,725.78

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Solution

The fourth proportional to 487,967,645.52, 673,407,051.30 and 264,958,725.78 is: 365,649,394.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,967,645.52 : 673,407,051.30 = 264,958,725.78 : x
  2. Step 2: Convert to fraction form
    487,967,645.52/673,407,051.30 = 264,958,725.78/x
  3. Step 3: Cross multiply
    487,967,645.52x = 673,407,051.30 × 264,958,725.78
  4. Step 4: Simplify right side
    487,967,645.52x = 178,425,074,243,715,072
  5. Step 5: Solve for x
    x = 178,425,074,243,715,072/487,967,645.52
  6. Step 6: Final answer
    x = 365,649,394.75

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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.