Home / 28,552,368,792.26-39,403,213,882.15-15,692,464,577.29

Finding the Fourth Proportional to 28,552,368,792.26, 39,403,213,882.15 and 15,692,464,577.29

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Solution

The fourth proportional to 28,552,368,792.26, 39,403,213,882.15 and 15,692,464,577.29 is: 21,656,120,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552,368,792.26 : 39,403,213,882.15 = 15,692,464,577.29 : x
  2. Step 2: Convert to fraction form
    28,552,368,792.26/39,403,213,882.15 = 15,692,464,577.29/x
  3. Step 3: Cross multiply
    28,552,368,792.26x = 39,403,213,882.15 × 15,692,464,577.29
  4. Step 4: Simplify right side
    28,552,368,792.26x = 618,333,538,077,020,520,448
  5. Step 5: Solve for x
    x = 618,333,538,077,020,520,448/28,552,368,792.26
  6. Step 6: Final answer
    x = 21,656,120,463.27

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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.