Home / 38,340,768,236.42-52,909,245,220.21-21,424,554,795.98

Finding the Fourth Proportional to 38,340,768,236.42, 52,909,245,220.21 and 21,424,554,795.98

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Solution

The fourth proportional to 38,340,768,236.42, 52,909,245,220.21 and 21,424,554,795.98 is: 29,565,318,473.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,340,768,236.42 : 52,909,245,220.21 = 21,424,554,795.98 : x
  2. Step 2: Convert to fraction form
    38,340,768,236.42/52,909,245,220.21 = 21,424,554,795.98/x
  3. Step 3: Cross multiply
    38,340,768,236.42x = 52,909,245,220.21 × 21,424,554,795.98
  4. Step 4: Simplify right side
    38,340,768,236.42x = 1,133,557,023,434,469,408,768
  5. Step 5: Solve for x
    x = 1,133,557,023,434,469,408,768/38,340,768,236.42
  6. Step 6: Final answer
    x = 29,565,318,473.66

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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.