Home / 28,554,880,055.83-39,406,091,555.60-15,695,923,949.79

Finding the Fourth Proportional to 28,554,880,055.83, 39,406,091,555.60 and 15,695,923,949.79

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Solution

The fourth proportional to 28,554,880,055.83, 39,406,091,555.60 and 15,695,923,949.79 is: 21,660,571,328.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554,880,055.83 : 39,406,091,555.60 = 15,695,923,949.79 : x
  2. Step 2: Convert to fraction form
    28,554,880,055.83/39,406,091,555.60 = 15,695,923,949.79/x
  3. Step 3: Cross multiply
    28,554,880,055.83x = 39,406,091,555.60 × 15,695,923,949.79
  4. Step 4: Simplify right side
    28,554,880,055.83x = 618,515,016,215,159,504,896
  5. Step 5: Solve for x
    x = 618,515,016,215,159,504,896/28,554,880,055.83
  6. Step 6: Final answer
    x = 21,660,571,328.12

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Double scale
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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.