Home / 288,113,366.44-397,447,660.74-195,262,120.36

Finding the Fourth Proportional to 288,113,366.44, 397,447,660.74 and 195,262,120.36

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Solution

The fourth proportional to 288,113,366.44, 397,447,660.74 and 195,262,120.36 is: 269,360,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,113,366.44 : 397,447,660.74 = 195,262,120.36 : x
  2. Step 2: Convert to fraction form
    288,113,366.44/397,447,660.74 = 195,262,120.36/x
  3. Step 3: Cross multiply
    288,113,366.44x = 397,447,660.74 × 195,262,120.36
  4. Step 4: Simplify right side
    288,113,366.44x = 77,606,472,968,214,336
  5. Step 5: Solve for x
    x = 77,606,472,968,214,336/288,113,366.44
  6. Step 6: Final answer
    x = 269,360,890.57

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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.