Home / 28,552,368,790.26-39,403,213,879.39-15,692,464,575.29

Finding the Fourth Proportional to 28,552,368,790.26, 39,403,213,879.39 and 15,692,464,575.29

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Solution

The fourth proportional to 28,552,368,790.26, 39,403,213,879.39 and 15,692,464,575.29 is: 21,656,120,460.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552,368,790.26 : 39,403,213,879.39 = 15,692,464,575.29 : x
  2. Step 2: Convert to fraction form
    28,552,368,790.26/39,403,213,879.39 = 15,692,464,575.29/x
  3. Step 3: Cross multiply
    28,552,368,790.26x = 39,403,213,879.39 × 15,692,464,575.29
  4. Step 4: Simplify right side
    28,552,368,790.26x = 618,333,537,954,705,833,984
  5. Step 5: Solve for x
    x = 618,333,537,954,705,833,984/28,552,368,790.26
  6. Step 6: Final answer
    x = 21,656,120,460.51

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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.