Home / 545,216,278.41-818,079,804.54-268,716,762.54

Finding the Fourth Proportional to 545,216,278.41, 818,079,804.54 and 268,716,762.54

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Solution

The fourth proportional to 545,216,278.41, 818,079,804.54 and 268,716,762.54 is: 403,201,014.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,216,278.41 : 818,079,804.54 = 268,716,762.54 : x
  2. Step 2: Convert to fraction form
    545,216,278.41/818,079,804.54 = 268,716,762.54/x
  3. Step 3: Cross multiply
    545,216,278.41x = 818,079,804.54 × 268,716,762.54
  4. Step 4: Simplify right side
    545,216,278.41x = 219,831,756,575,344,800
  5. Step 5: Solve for x
    x = 219,831,756,575,344,800/545,216,278.41
  6. Step 6: Final answer
    x = 403,201,014.50

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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.