Home / 331,778,020.40-497,667,030.60-195,393,201.20

Finding the Fourth Proportional to 331,778,020.40, 497,667,030.60 and 195,393,201.20

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Solution

The fourth proportional to 331,778,020.40, 497,667,030.60 and 195,393,201.20 is: 293,089,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,778,020.40 : 497,667,030.60 = 195,393,201.20 : x
  2. Step 2: Convert to fraction form
    331,778,020.40/497,667,030.60 = 195,393,201.20/x
  3. Step 3: Cross multiply
    331,778,020.40x = 497,667,030.60 × 195,393,201.20
  4. Step 4: Simplify right side
    331,778,020.40x = 97,240,754,240,632,352
  5. Step 5: Solve for x
    x = 97,240,754,240,632,352/331,778,020.40
  6. Step 6: Final answer
    x = 293,089,801.80

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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.