Home / 438,615,014.55-657,922,521.83-180,015,823.95

Finding the Fourth Proportional to 438,615,014.55, 657,922,521.83 and 180,015,823.95

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Solution

The fourth proportional to 438,615,014.55, 657,922,521.83 and 180,015,823.95 is: 270,023,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,615,014.55 : 657,922,521.83 = 180,015,823.95 : x
  2. Step 2: Convert to fraction form
    438,615,014.55/657,922,521.83 = 180,015,823.95/x
  3. Step 3: Cross multiply
    438,615,014.55x = 657,922,521.83 × 180,015,823.95
  4. Step 4: Simplify right side
    438,615,014.55x = 118,436,464,861,589,232
  5. Step 5: Solve for x
    x = 118,436,464,861,589,232/438,615,014.55
  6. Step 6: Final answer
    x = 270,023,735.93

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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.