Home / 12,209,471,719.95-18,315,551,272.73-4,456,364,263.95

Finding the Fourth Proportional to 12,209,471,719.95, 18,315,551,272.73 and 4,456,364,263.95

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Solution

The fourth proportional to 12,209,471,719.95, 18,315,551,272.73 and 4,456,364,263.95 is: 6,685,036,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209,471,719.95 : 18,315,551,272.73 = 4,456,364,263.95 : x
  2. Step 2: Convert to fraction form
    12,209,471,719.95/18,315,551,272.73 = 4,456,364,263.95/x
  3. Step 3: Cross multiply
    12,209,471,719.95x = 18,315,551,272.73 × 4,456,364,263.95
  4. Step 4: Simplify right side
    12,209,471,719.95x = 81,620,768,166,315,622,400
  5. Step 5: Solve for x
    x = 81,620,768,166,315,622,400/12,209,471,719.95
  6. Step 6: Final answer
    x = 6,685,036,833.57

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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.