Home / 28,640,188,268,196-39,530,813,537,578-18,653,566,315,554

Finding the Fourth Proportional to 28,640,188,268,196, 39,530,813,537,578 and 18,653,566,315,554

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Solution

The fourth proportional to 28,640,188,268,196, 39,530,813,537,578 and 18,653,566,315,554 is: 25,746,711,052,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,640,188,268,196 : 39,530,813,537,578 = 18,653,566,315,554 : x
  2. Step 2: Convert to fraction form
    28,640,188,268,196/39,530,813,537,578 = 18,653,566,315,554/x
  3. Step 3: Cross multiply
    28,640,188,268,196x = 39,530,813,537,578 × 18,653,566,315,554
  4. Step 4: Simplify right side
    28,640,188,268,196x = 737,390,651,831,010,989,942,243,328
  5. Step 5: Solve for x
    x = 737,390,651,831,010,989,942,243,328/28,640,188,268,196
  6. Step 6: Final answer
    x = 25,746,711,052,519.84

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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.