Home / 702,814,643.31-1,054,009,716.48-211,397,460.24

Finding the Fourth Proportional to 702,814,643.31, 1,054,009,716.48 and 211,397,460.24

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Solution

The fourth proportional to 702,814,643.31, 1,054,009,716.48 and 211,397,460.24 is: 317,032,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,814,643.31 : 1,054,009,716.48 = 211,397,460.24 : x
  2. Step 2: Convert to fraction form
    702,814,643.31/1,054,009,716.48 = 211,397,460.24/x
  3. Step 3: Cross multiply
    702,814,643.31x = 1,054,009,716.48 × 211,397,460.24
  4. Step 4: Simplify right side
    702,814,643.31x = 222,814,977,132,154,496
  5. Step 5: Solve for x
    x = 222,814,977,132,154,496/702,814,643.31
  6. Step 6: Final answer
    x = 317,032,348.79

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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.