Home / 976,005,999.60-1,464,008,999.40-329,764,412.40

Finding the Fourth Proportional to 976,005,999.60, 1,464,008,999.40 and 329,764,412.40

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Solution

The fourth proportional to 976,005,999.60, 1,464,008,999.40 and 329,764,412.40 is: 494,646,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,005,999.60 : 1,464,008,999.40 = 329,764,412.40 : x
  2. Step 2: Convert to fraction form
    976,005,999.60/1,464,008,999.40 = 329,764,412.40/x
  3. Step 3: Cross multiply
    976,005,999.60x = 1,464,008,999.40 × 329,764,412.40
  4. Step 4: Simplify right side
    976,005,999.60x = 482,778,067,435,452,928
  5. Step 5: Solve for x
    x = 482,778,067,435,452,928/976,005,999.60
  6. Step 6: Final answer
    x = 494,646,618.60

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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.