Home / 28,554,880,046.16-39,406,091,542.24-15,695,923,940.08

Finding the Fourth Proportional to 28,554,880,046.16, 39,406,091,542.24 and 15,695,923,940.08

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Solution

The fourth proportional to 28,554,880,046.16, 39,406,091,542.24 and 15,695,923,940.08 is: 21,660,571,314.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554,880,046.16 : 39,406,091,542.24 = 15,695,923,940.08 : x
  2. Step 2: Convert to fraction form
    28,554,880,046.16/39,406,091,542.24 = 15,695,923,940.08/x
  3. Step 3: Cross multiply
    28,554,880,046.16x = 39,406,091,542.24 × 15,695,923,940.08
  4. Step 4: Simplify right side
    28,554,880,046.16x = 618,515,015,622,828,752,896
  5. Step 5: Solve for x
    x = 618,515,015,622,828,752,896/28,554,880,046.16
  6. Step 6: Final answer
    x = 21,660,571,314.71

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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.