Home / 2,312,611,747.35-3,191,312,274.53-1,309,237,451.16

Finding the Fourth Proportional to 2,312,611,747.35, 3,191,312,274.53 and 1,309,237,451.16

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Solution

The fourth proportional to 2,312,611,747.35, 3,191,312,274.53 and 1,309,237,451.16 is: 1,806,695,634.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,611,747.35 : 3,191,312,274.53 = 1,309,237,451.16 : x
  2. Step 2: Convert to fraction form
    2,312,611,747.35/3,191,312,274.53 = 1,309,237,451.16/x
  3. Step 3: Cross multiply
    2,312,611,747.35x = 3,191,312,274.53 × 1,309,237,451.16
  4. Step 4: Simplify right side
    2,312,611,747.35x = 4,178,185,548,154,733,568
  5. Step 5: Solve for x
    x = 4,178,185,548,154,733,568/2,312,611,747.35
  6. Step 6: Final answer
    x = 1,806,695,634.47

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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.