Home / 6,245,689,127.31-8,618,999,981.78-3,387,824,186.63

Finding the Fourth Proportional to 6,245,689,127.31, 8,618,999,981.78 and 3,387,824,186.63

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Solution

The fourth proportional to 6,245,689,127.31, 8,618,999,981.78 and 3,387,824,186.63 is: 4,675,169,706.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245,689,127.31 : 8,618,999,981.78 = 3,387,824,186.63 : x
  2. Step 2: Convert to fraction form
    6,245,689,127.31/8,618,999,981.78 = 3,387,824,186.63/x
  3. Step 3: Cross multiply
    6,245,689,127.31x = 8,618,999,981.78 × 3,387,824,186.63
  4. Step 4: Simplify right side
    6,245,689,127.31x = 29,199,656,602,802,847,744
  5. Step 5: Solve for x
    x = 29,199,656,602,802,847,744/6,245,689,127.31
  6. Step 6: Final answer
    x = 4,675,169,706.27

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1.5x scale

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.