Home / 762,952,720.89-1,142,896,771.63-347,858,548.98

Finding the Fourth Proportional to 762,952,720.89, 1,142,896,771.63 and 347,858,548.98

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Solution

The fourth proportional to 762,952,720.89, 1,142,896,771.63 and 347,858,548.98 is: 521,089,186.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,952,720.89 : 1,142,896,771.63 = 347,858,548.98 : x
  2. Step 2: Convert to fraction form
    762,952,720.89/1,142,896,771.63 = 347,858,548.98/x
  3. Step 3: Cross multiply
    762,952,720.89x = 1,142,896,771.63 × 347,858,548.98
  4. Step 4: Simplify right side
    762,952,720.89x = 397,566,412,611,398,976
  5. Step 5: Solve for x
    x = 397,566,412,611,398,976/762,952,720.89
  6. Step 6: Final answer
    x = 521,089,186.43

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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.