Home / 328,636,709.31-492,525,842.27-250,627,979.64

Finding the Fourth Proportional to 328,636,709.31, 492,525,842.27 and 250,627,979.64

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Solution

The fourth proportional to 328,636,709.31, 492,525,842.27 and 250,627,979.64 is: 375,614,632.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,636,709.31 : 492,525,842.27 = 250,627,979.64 : x
  2. Step 2: Convert to fraction form
    328,636,709.31/492,525,842.27 = 250,627,979.64/x
  3. Step 3: Cross multiply
    328,636,709.31x = 492,525,842.27 × 250,627,979.64
  4. Step 4: Simplify right side
    328,636,709.31x = 123,440,756,767,366,256
  5. Step 5: Solve for x
    x = 123,440,756,767,366,256/328,636,709.31
  6. Step 6: Final answer
    x = 375,614,632.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.