Home / 15,880,905,759.51-21,916,042,948.14-8,647,349,792.49

Finding the Fourth Proportional to 15,880,905,759.51, 21,916,042,948.14 and 8,647,349,792.49

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Solution

The fourth proportional to 15,880,905,759.51, 21,916,042,948.14 and 8,647,349,792.49 is: 11,933,556,707.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880,905,759.51 : 21,916,042,948.14 = 8,647,349,792.49 : x
  2. Step 2: Convert to fraction form
    15,880,905,759.51/21,916,042,948.14 = 8,647,349,792.49/x
  3. Step 3: Cross multiply
    15,880,905,759.51x = 21,916,042,948.14 × 8,647,349,792.49
  4. Step 4: Simplify right side
    15,880,905,759.51x = 189,515,689,439,800,360,960
  5. Step 5: Solve for x
    x = 189,515,689,439,800,360,960/15,880,905,759.51
  6. Step 6: Final answer
    x = 11,933,556,707.01

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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.