Home / 731,192,365.12-1,089,188,940.80-691,588,594.48

Finding the Fourth Proportional to 731,192,365.12, 1,089,188,940.80 and 691,588,594.48

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Solution

The fourth proportional to 731,192,365.12, 1,089,188,940.80 and 691,588,594.48 is: 1,030,194,904.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,192,365.12 : 1,089,188,940.80 = 691,588,594.48 : x
  2. Step 2: Convert to fraction form
    731,192,365.12/1,089,188,940.80 = 691,588,594.48/x
  3. Step 3: Cross multiply
    731,192,365.12x = 1,089,188,940.80 × 691,588,594.48
  4. Step 4: Simplify right side
    731,192,365.12x = 753,270,648,691,031,936
  5. Step 5: Solve for x
    x = 753,270,648,691,031,936/731,192,365.12
  6. Step 6: Final answer
    x = 1,030,194,904.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.