Home / 312,074,458.80-430,952,241.96-233,621,811.60

Finding the Fourth Proportional to 312,074,458.80, 430,952,241.96 and 233,621,811.60

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Solution

The fourth proportional to 312,074,458.80, 430,952,241.96 and 233,621,811.60 is: 322,614,814.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,074,458.80 : 430,952,241.96 = 233,621,811.60 : x
  2. Step 2: Convert to fraction form
    312,074,458.80/430,952,241.96 = 233,621,811.60/x
  3. Step 3: Cross multiply
    312,074,458.80x = 430,952,241.96 × 233,621,811.60
  4. Step 4: Simplify right side
    312,074,458.80x = 100,679,843,479,776,720
  5. Step 5: Solve for x
    x = 100,679,843,479,776,720/312,074,458.80
  6. Step 6: Final answer
    x = 322,614,814.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.