Home / 624,644,912.40-862,010,060.82-346,204,412.16

Finding the Fourth Proportional to 624,644,912.40, 862,010,060.82 and 346,204,412.16

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Solution

The fourth proportional to 624,644,912.40, 862,010,060.82 and 346,204,412.16 is: 477,762,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,644,912.40 : 862,010,060.82 = 346,204,412.16 : x
  2. Step 2: Convert to fraction form
    624,644,912.40/862,010,060.82 = 346,204,412.16/x
  3. Step 3: Cross multiply
    624,644,912.40x = 862,010,060.82 × 346,204,412.16
  4. Step 4: Simplify right side
    624,644,912.40x = 298,431,686,382,193,984
  5. Step 5: Solve for x
    x = 298,431,686,382,193,984/624,644,912.40
  6. Step 6: Final answer
    x = 477,762,134.07

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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.