Home / 960,090,494.40-1,440,135,741.60-664,184,145.60

Finding the Fourth Proportional to 960,090,494.40, 1,440,135,741.60 and 664,184,145.60

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Solution

The fourth proportional to 960,090,494.40, 1,440,135,741.60 and 664,184,145.60 is: 996,276,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,090,494.40 : 1,440,135,741.60 = 664,184,145.60 : x
  2. Step 2: Convert to fraction form
    960,090,494.40/1,440,135,741.60 = 664,184,145.60/x
  3. Step 3: Cross multiply
    960,090,494.40x = 1,440,135,741.60 × 664,184,145.60
  4. Step 4: Simplify right side
    960,090,494.40x = 956,515,327,082,618,368
  5. Step 5: Solve for x
    x = 956,515,327,082,618,368/960,090,494.40
  6. Step 6: Final answer
    x = 996,276,218.40

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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.