Home / 1,165,342,076.64-1,608,153,296.40-636,694,708.32

Finding the Fourth Proportional to 1,165,342,076.64, 1,608,153,296.40 and 636,694,708.32

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Solution

The fourth proportional to 1,165,342,076.64, 1,608,153,296.40 and 636,694,708.32 is: 878,628,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,342,076.64 : 1,608,153,296.40 = 636,694,708.32 : x
  2. Step 2: Convert to fraction form
    1,165,342,076.64/1,608,153,296.40 = 636,694,708.32/x
  3. Step 3: Cross multiply
    1,165,342,076.64x = 1,608,153,296.40 × 636,694,708.32
  4. Step 4: Simplify right side
    1,165,342,076.64x = 1,023,902,693,985,244,672
  5. Step 5: Solve for x
    x = 1,023,902,693,985,244,672/1,165,342,076.64
  6. Step 6: Final answer
    x = 878,628,442.68

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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.