Home / 15,290,555,518,774-21,100,975,080,719-8,259,153,630,397

Finding the Fourth Proportional to 15,290,555,518,774, 21,100,975,080,719 and 8,259,153,630,397

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Solution

The fourth proportional to 15,290,555,518,774, 21,100,975,080,719 and 8,259,153,630,397 is: 11,397,636,582,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290,555,518,774 : 21,100,975,080,719 = 8,259,153,630,397 : x
  2. Step 2: Convert to fraction form
    15,290,555,518,774/21,100,975,080,719 = 8,259,153,630,397/x
  3. Step 3: Cross multiply
    15,290,555,518,774x = 21,100,975,080,719 × 8,259,153,630,397
  4. Step 4: Simplify right side
    15,290,555,518,774x = 174,276,194,942,836,974,794,309,632
  5. Step 5: Solve for x
    x = 174,276,194,942,836,974,794,309,632/15,290,555,518,774
  6. Step 6: Final answer
    x = 11,397,636,582,193.35

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Double scale
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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.