Home / 1,089,126,177.80-1,633,689,266.70-352,194,657.80

Finding the Fourth Proportional to 1,089,126,177.80, 1,633,689,266.70 and 352,194,657.80

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Solution

The fourth proportional to 1,089,126,177.80, 1,633,689,266.70 and 352,194,657.80 is: 528,291,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,126,177.80 : 1,633,689,266.70 = 352,194,657.80 : x
  2. Step 2: Convert to fraction form
    1,089,126,177.80/1,633,689,266.70 = 352,194,657.80/x
  3. Step 3: Cross multiply
    1,089,126,177.80x = 1,633,689,266.70 × 352,194,657.80
  4. Step 4: Simplify right side
    1,089,126,177.80x = 575,376,632,236,939,456
  5. Step 5: Solve for x
    x = 575,376,632,236,939,456/1,089,126,177.80
  6. Step 6: Final answer
    x = 528,291,986.70

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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.