Home / 12,591,387,701.40-18,887,081,552.10-5,226,607,464.60

Finding the Fourth Proportional to 12,591,387,701.40, 18,887,081,552.10 and 5,226,607,464.60

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Solution

The fourth proportional to 12,591,387,701.40, 18,887,081,552.10 and 5,226,607,464.60 is: 7,839,911,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,387,701.40 : 18,887,081,552.10 = 5,226,607,464.60 : x
  2. Step 2: Convert to fraction form
    12,591,387,701.40/18,887,081,552.10 = 5,226,607,464.60/x
  3. Step 3: Cross multiply
    12,591,387,701.40x = 18,887,081,552.10 × 5,226,607,464.60
  4. Step 4: Simplify right side
    12,591,387,701.40x = 98,715,361,424,714,809,344
  5. Step 5: Solve for x
    x = 98,715,361,424,714,809,344/12,591,387,701.40
  6. Step 6: Final answer
    x = 7,839,911,196.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.