Home / 465,048,505.20-697,572,757.80-310,080,309.60

Finding the Fourth Proportional to 465,048,505.20, 697,572,757.80 and 310,080,309.60

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Solution

The fourth proportional to 465,048,505.20, 697,572,757.80 and 310,080,309.60 is: 465,120,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,048,505.20 : 697,572,757.80 = 310,080,309.60 : x
  2. Step 2: Convert to fraction form
    465,048,505.20/697,572,757.80 = 310,080,309.60/x
  3. Step 3: Cross multiply
    465,048,505.20x = 697,572,757.80 × 310,080,309.60
  4. Step 4: Simplify right side
    465,048,505.20x = 216,303,576,707,149,824
  5. Step 5: Solve for x
    x = 216,303,576,707,149,824/465,048,505.20
  6. Step 6: Final answer
    x = 465,120,464.40

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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.