Home / 533,354,319,028.98-736,029,504,987.18-289,483,838,165.40

Finding the Fourth Proportional to 533,354,319,028.98, 736,029,504,987.18 and 289,483,838,165.40

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Solution

The fourth proportional to 533,354,319,028.98, 736,029,504,987.18 and 289,483,838,165.40 is: 399,487,992,324.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,354,319,028.98 : 736,029,504,987.18 = 289,483,838,165.40 : x
  2. Step 2: Convert to fraction form
    533,354,319,028.98/736,029,504,987.18 = 289,483,838,165.40/x
  3. Step 3: Cross multiply
    533,354,319,028.98x = 736,029,504,987.18 × 289,483,838,165.40
  4. Step 4: Simplify right side
    533,354,319,028.98x = 213,068,646,106,668,321,472,512
  5. Step 5: Solve for x
    x = 213,068,646,106,668,321,472,512/533,354,319,028.98
  6. Step 6: Final answer
    x = 399,487,992,324.84

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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.