Home / 455,005,069,987.45-627,668,940,255.26-281,334,693,958.24

Finding the Fourth Proportional to 455,005,069,987.45, 627,668,940,255.26 and 281,334,693,958.24

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Solution

The fourth proportional to 455,005,069,987.45, 627,668,940,255.26 and 281,334,693,958.24 is: 388,094,684,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,005,069,987.45 : 627,668,940,255.26 = 281,334,693,958.24 : x
  2. Step 2: Convert to fraction form
    455,005,069,987.45/627,668,940,255.26 = 281,334,693,958.24/x
  3. Step 3: Cross multiply
    455,005,069,987.45x = 627,668,940,255.26 × 281,334,693,958.24
  4. Step 4: Simplify right side
    455,005,069,987.45x = 176,585,049,213,806,399,455,232
  5. Step 5: Solve for x
    x = 176,585,049,213,806,399,455,232/455,005,069,987.45
  6. Step 6: Final answer
    x = 388,094,684,788.19

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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.