Home / 21,122,351,216.10-31,683,526,824.15-17,713,050,912.90

Finding the Fourth Proportional to 21,122,351,216.10, 31,683,526,824.15 and 17,713,050,912.90

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Solution

The fourth proportional to 21,122,351,216.10, 31,683,526,824.15 and 17,713,050,912.90 is: 26,569,576,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,122,351,216.10 : 31,683,526,824.15 = 17,713,050,912.90 : x
  2. Step 2: Convert to fraction form
    21,122,351,216.10/31,683,526,824.15 = 17,713,050,912.90/x
  3. Step 3: Cross multiply
    21,122,351,216.10x = 31,683,526,824.15 × 17,713,050,912.90
  4. Step 4: Simplify right side
    21,122,351,216.10x = 561,211,923,736,401,870,848
  5. Step 5: Solve for x
    x = 561,211,923,736,401,870,848/21,122,351,216.10
  6. Step 6: Final answer
    x = 26,569,576,369.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.