Home / 490,999,831.81-736,637,922.38-214,675,312.39

Finding the Fourth Proportional to 490,999,831.81, 736,637,922.38 and 214,675,312.39

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Solution

The fourth proportional to 490,999,831.81, 736,637,922.38 and 214,675,312.39 is: 322,073,381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,999,831.81 : 736,637,922.38 = 214,675,312.39 : x
  2. Step 2: Convert to fraction form
    490,999,831.81/736,637,922.38 = 214,675,312.39/x
  3. Step 3: Cross multiply
    490,999,831.81x = 736,637,922.38 × 214,675,312.39
  4. Step 4: Simplify right side
    490,999,831.81x = 158,137,976,105,247,072
  5. Step 5: Solve for x
    x = 158,137,976,105,247,072/490,999,831.81
  6. Step 6: Final answer
    x = 322,073,381.42

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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.