Home / 15,745,639,611.50-21,728,984,506.22-8,609,058,257.96

Finding the Fourth Proportional to 15,745,639,611.50, 21,728,984,506.22 and 8,609,058,257.96

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Solution

The fourth proportional to 15,745,639,611.50, 21,728,984,506.22 and 8,609,058,257.96 is: 11,880,501,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,745,639,611.50 : 21,728,984,506.22 = 8,609,058,257.96 : x
  2. Step 2: Convert to fraction form
    15,745,639,611.50/21,728,984,506.22 = 8,609,058,257.96/x
  3. Step 3: Cross multiply
    15,745,639,611.50x = 21,728,984,506.22 × 8,609,058,257.96
  4. Step 4: Simplify right side
    15,745,639,611.50x = 187,066,093,500,358,164,480
  5. Step 5: Solve for x
    x = 187,066,093,500,358,164,480/15,745,639,611.50
  6. Step 6: Final answer
    x = 11,880,501,403.30

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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.