Home / 15,745,639,610.50-21,728,984,504.84-8,609,058,256.96

Finding the Fourth Proportional to 15,745,639,610.50, 21,728,984,504.84 and 8,609,058,256.96

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Solution

The fourth proportional to 15,745,639,610.50, 21,728,984,504.84 and 8,609,058,256.96 is: 11,880,501,401.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,745,639,610.50 : 21,728,984,504.84 = 8,609,058,256.96 : x
  2. Step 2: Convert to fraction form
    15,745,639,610.50/21,728,984,504.84 = 8,609,058,256.96/x
  3. Step 3: Cross multiply
    15,745,639,610.50x = 21,728,984,504.84 × 8,609,058,256.96
  4. Step 4: Simplify right side
    15,745,639,610.50x = 187,066,093,466,809,827,328
  5. Step 5: Solve for x
    x = 187,066,093,466,809,827,328/15,745,639,610.50
  6. Step 6: Final answer
    x = 11,880,501,401.93

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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.