Home / 15,778,121,007.34-21,774,491,433.66-8,737,590,639.34

Finding the Fourth Proportional to 15,778,121,007.34, 21,774,491,433.66 and 8,737,590,639.34

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Solution

The fourth proportional to 15,778,121,007.34, 21,774,491,433.66 and 8,737,590,639.34 is: 12,058,254,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778,121,007.34 : 21,774,491,433.66 = 8,737,590,639.34 : x
  2. Step 2: Convert to fraction form
    15,778,121,007.34/21,774,491,433.66 = 8,737,590,639.34/x
  3. Step 3: Cross multiply
    15,778,121,007.34x = 21,774,491,433.66 × 8,737,590,639.34
  4. Step 4: Simplify right side
    15,778,121,007.34x = 190,256,592,527,136,620,544
  5. Step 5: Solve for x
    x = 190,256,592,527,136,620,544/15,778,121,007.34
  6. Step 6: Final answer
    x = 12,058,254,112.68

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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.