Home / 15,290,555,518,775-21,100,975,080,720-8,259,153,630,398

Finding the Fourth Proportional to 15,290,555,518,775, 21,100,975,080,720 and 8,259,153,630,398

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Solution

The fourth proportional to 15,290,555,518,775, 21,100,975,080,720 and 8,259,153,630,398 is: 11,397,636,582,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290,555,518,775 : 21,100,975,080,720 = 8,259,153,630,398 : x
  2. Step 2: Convert to fraction form
    15,290,555,518,775/21,100,975,080,720 = 8,259,153,630,398/x
  3. Step 3: Cross multiply
    15,290,555,518,775x = 21,100,975,080,720 × 8,259,153,630,398
  4. Step 4: Simplify right side
    15,290,555,518,775x = 174,276,194,942,866,318,010,875,904
  5. Step 5: Solve for x
    x = 174,276,194,942,866,318,010,875,904/15,290,555,518,775
  6. Step 6: Final answer
    x = 11,397,636,582,194.53

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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.