Home / 28,554,880,044.82-39,406,091,540.40-15,695,923,938.74

Finding the Fourth Proportional to 28,554,880,044.82, 39,406,091,540.40 and 15,695,923,938.74

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Solution

The fourth proportional to 28,554,880,044.82, 39,406,091,540.40 and 15,695,923,938.74 is: 21,660,571,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554,880,044.82 : 39,406,091,540.40 = 15,695,923,938.74 : x
  2. Step 2: Convert to fraction form
    28,554,880,044.82/39,406,091,540.40 = 15,695,923,938.74/x
  3. Step 3: Cross multiply
    28,554,880,044.82x = 39,406,091,540.40 × 15,695,923,938.74
  4. Step 4: Simplify right side
    28,554,880,044.82x = 618,515,015,540,947,156,992
  5. Step 5: Solve for x
    x = 618,515,015,540,947,156,992/28,554,880,044.82
  6. Step 6: Final answer
    x = 21,660,571,312.86

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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.