Home / 702,814,803.65-1,054,009,957.12-211,397,620.44

Finding the Fourth Proportional to 702,814,803.65, 1,054,009,957.12 and 211,397,620.44

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Solution

The fourth proportional to 702,814,803.65, 1,054,009,957.12 and 211,397,620.44 is: 317,032,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,814,803.65 : 1,054,009,957.12 = 211,397,620.44 : x
  2. Step 2: Convert to fraction form
    702,814,803.65/1,054,009,957.12 = 211,397,620.44/x
  3. Step 3: Cross multiply
    702,814,803.65x = 1,054,009,957.12 × 211,397,620.44
  4. Step 4: Simplify right side
    702,814,803.65x = 222,815,196,855,982,112
  5. Step 5: Solve for x
    x = 222,815,196,855,982,112/702,814,803.65
  6. Step 6: Final answer
    x = 317,032,589.10

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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.