Home / 453,480,847.20-680,221,270.80-194,652,021.60

Finding the Fourth Proportional to 453,480,847.20, 680,221,270.80 and 194,652,021.60

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Solution

The fourth proportional to 453,480,847.20, 680,221,270.80 and 194,652,021.60 is: 291,978,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,480,847.20 : 680,221,270.80 = 194,652,021.60 : x
  2. Step 2: Convert to fraction form
    453,480,847.20/680,221,270.80 = 194,652,021.60/x
  3. Step 3: Cross multiply
    453,480,847.20x = 680,221,270.80 × 194,652,021.60
  4. Step 4: Simplify right side
    453,480,847.20x = 132,406,445,496,541,040
  5. Step 5: Solve for x
    x = 132,406,445,496,541,040/453,480,847.20
  6. Step 6: Final answer
    x = 291,978,032.40

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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.