Home / 21,122,351,999.60-31,683,527,999.40-17,713,051,696.40

Finding the Fourth Proportional to 21,122,351,999.60, 31,683,527,999.40 and 17,713,051,696.40

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Solution

The fourth proportional to 21,122,351,999.60, 31,683,527,999.40 and 17,713,051,696.40 is: 26,569,577,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,122,351,999.60 : 31,683,527,999.40 = 17,713,051,696.40 : x
  2. Step 2: Convert to fraction form
    21,122,351,999.60/31,683,527,999.40 = 17,713,051,696.40/x
  3. Step 3: Cross multiply
    21,122,351,999.60x = 31,683,527,999.40 × 17,713,051,696.40
  4. Step 4: Simplify right side
    21,122,351,999.60x = 561,211,969,377,709,129,728
  5. Step 5: Solve for x
    x = 561,211,969,377,709,129,728/21,122,351,999.60
  6. Step 6: Final answer
    x = 26,569,577,544.60

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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.