Home / 775,860,097,976.40-1,163,790,146,964.60-458,485,233,387.60

Finding the Fourth Proportional to 775,860,097,976.40, 1,163,790,146,964.60 and 458,485,233,387.60

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Solution

The fourth proportional to 775,860,097,976.40, 1,163,790,146,964.60 and 458,485,233,387.60 is: 687,727,850,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,860,097,976.40 : 1,163,790,146,964.60 = 458,485,233,387.60 : x
  2. Step 2: Convert to fraction form
    775,860,097,976.40/1,163,790,146,964.60 = 458,485,233,387.60/x
  3. Step 3: Cross multiply
    775,860,097,976.40x = 1,163,790,146,964.60 × 458,485,233,387.60
  4. Step 4: Simplify right side
    775,860,097,976.40x = 533,580,597,145,253,972,017,152
  5. Step 5: Solve for x
    x = 533,580,597,145,253,972,017,152/775,860,097,976.40
  6. Step 6: Final answer
    x = 687,727,850,081.40

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Double scale
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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.