Home / 440,346,163.60-660,519,245.40-133,637,784.40

Finding the Fourth Proportional to 440,346,163.60, 660,519,245.40 and 133,637,784.40

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Solution

The fourth proportional to 440,346,163.60, 660,519,245.40 and 133,637,784.40 is: 200,456,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,346,163.60 : 660,519,245.40 = 133,637,784.40 : x
  2. Step 2: Convert to fraction form
    440,346,163.60/660,519,245.40 = 133,637,784.40/x
  3. Step 3: Cross multiply
    440,346,163.60x = 660,519,245.40 × 133,637,784.40
  4. Step 4: Simplify right side
    440,346,163.60x = 88,270,328,508,815,888
  5. Step 5: Solve for x
    x = 88,270,328,508,815,888/440,346,163.60
  6. Step 6: Final answer
    x = 200,456,676.60

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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.