Home / 25,923,837,152-35,780,650,478.88-15,760,405,424.96

Finding the Fourth Proportional to 25,923,837,152, 35,780,650,478.88 and 15,760,405,424.96

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Solution

The fourth proportional to 25,923,837,152, 35,780,650,478.88 and 15,760,405,424.96 is: 21,752,858,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,923,837,152 : 35,780,650,478.88 = 15,760,405,424.96 : x
  2. Step 2: Convert to fraction form
    25,923,837,152/35,780,650,478.88 = 15,760,405,424.96/x
  3. Step 3: Cross multiply
    25,923,837,152x = 35,780,650,478.88 × 15,760,405,424.96
  4. Step 4: Simplify right side
    25,923,837,152x = 563,917,557,915,937,865,728
  5. Step 5: Solve for x
    x = 563,917,557,915,937,865,728/25,923,837,152
  6. Step 6: Final answer
    x = 21,752,858,367.74

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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.