Home / 12,209,471,837.70-18,315,551,449.35-4,456,364,381.70

Finding the Fourth Proportional to 12,209,471,837.70, 18,315,551,449.35 and 4,456,364,381.70

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Solution

The fourth proportional to 12,209,471,837.70, 18,315,551,449.35 and 4,456,364,381.70 is: 6,685,037,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209,471,837.70 : 18,315,551,449.35 = 4,456,364,381.70 : x
  2. Step 2: Convert to fraction form
    12,209,471,837.70/18,315,551,449.35 = 4,456,364,381.70/x
  3. Step 3: Cross multiply
    12,209,471,837.70x = 18,315,551,449.35 × 4,456,364,381.70
  4. Step 4: Simplify right side
    12,209,471,837.70x = 81,620,771,110,077,136,896
  5. Step 5: Solve for x
    x = 81,620,771,110,077,136,896/12,209,471,837.70
  6. Step 6: Final answer
    x = 6,685,037,010.20

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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.