Home / 938,390,197.20-1,407,585,295.80-248,367,202.80

Finding the Fourth Proportional to 938,390,197.20, 1,407,585,295.80 and 248,367,202.80

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Solution

The fourth proportional to 938,390,197.20, 1,407,585,295.80 and 248,367,202.80 is: 372,550,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,390,197.20 : 1,407,585,295.80 = 248,367,202.80 : x
  2. Step 2: Convert to fraction form
    938,390,197.20/1,407,585,295.80 = 248,367,202.80/x
  3. Step 3: Cross multiply
    938,390,197.20x = 1,407,585,295.80 × 248,367,202.80
  4. Step 4: Simplify right side
    938,390,197.20x = 349,598,022,620,256,576
  5. Step 5: Solve for x
    x = 349,598,022,620,256,576/938,390,197.20
  6. Step 6: Final answer
    x = 372,550,804.20

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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.