Home / 298,936,810.65-448,405,215.98-271,673,887.35

Finding the Fourth Proportional to 298,936,810.65, 448,405,215.98 and 271,673,887.35

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Solution

The fourth proportional to 298,936,810.65, 448,405,215.98 and 271,673,887.35 is: 407,510,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,936,810.65 : 448,405,215.98 = 271,673,887.35 : x
  2. Step 2: Convert to fraction form
    298,936,810.65/448,405,215.98 = 271,673,887.35/x
  3. Step 3: Cross multiply
    298,936,810.65x = 448,405,215.98 × 271,673,887.35
  4. Step 4: Simplify right side
    298,936,810.65x = 121,819,988,131,944,592
  5. Step 5: Solve for x
    x = 121,819,988,131,944,592/298,936,810.65
  6. Step 6: Final answer
    x = 407,510,831.03

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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.