Home / 440,626,719,147.72-661,241,986,860.60-153,784,775,563.10

Finding the Fourth Proportional to 440,626,719,147.72, 661,241,986,860.60 and 153,784,775,563.10

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Solution

The fourth proportional to 440,626,719,147.72, 661,241,986,860.60 and 153,784,775,563.10 is: 230,782,533,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,626,719,147.72 : 661,241,986,860.60 = 153,784,775,563.10 : x
  2. Step 2: Convert to fraction form
    440,626,719,147.72/661,241,986,860.60 = 153,784,775,563.10/x
  3. Step 3: Cross multiply
    440,626,719,147.72x = 661,241,986,860.60 × 153,784,775,563.10
  4. Step 4: Simplify right side
    440,626,719,147.72x = 101,688,950,542,255,685,369,856
  5. Step 5: Solve for x
    x = 101,688,950,542,255,685,369,856/440,626,719,147.72
  6. Step 6: Final answer
    x = 230,782,533,430.90

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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.