Home / 798,511,724.74-1,196,696,935.79-621,462,651.31

Finding the Fourth Proportional to 798,511,724.74, 1,196,696,935.79 and 621,462,651.31

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Solution

The fourth proportional to 798,511,724.74, 1,196,696,935.79 and 621,462,651.31 is: 931,360,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,511,724.74 : 1,196,696,935.79 = 621,462,651.31 : x
  2. Step 2: Convert to fraction form
    798,511,724.74/1,196,696,935.79 = 621,462,651.31/x
  3. Step 3: Cross multiply
    798,511,724.74x = 1,196,696,935.79 × 621,462,651.31
  4. Step 4: Simplify right side
    798,511,724.74x = 743,702,450,521,515,392
  5. Step 5: Solve for x
    x = 743,702,450,521,515,392/798,511,724.74
  6. Step 6: Final answer
    x = 931,360,714.54

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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.