Home / 429,462,963,056.64-644,194,104,346.08-115,394,086,640.64

Finding the Fourth Proportional to 429,462,963,056.64, 644,194,104,346.08 and 115,394,086,640.64

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Solution

The fourth proportional to 429,462,963,056.64, 644,194,104,346.08 and 115,394,086,640.64 is: 173,091,038,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,462,963,056.64 : 644,194,104,346.08 = 115,394,086,640.64 : x
  2. Step 2: Convert to fraction form
    429,462,963,056.64/644,194,104,346.08 = 115,394,086,640.64/x
  3. Step 3: Cross multiply
    429,462,963,056.64x = 644,194,104,346.08 × 115,394,086,640.64
  4. Step 4: Simplify right side
    429,462,963,056.64x = 74,336,190,290,301,036,789,760
  5. Step 5: Solve for x
    x = 74,336,190,290,301,036,789,760/429,462,963,056.64
  6. Step 6: Final answer
    x = 173,091,038,540.84

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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.