Home / 428,083,200.99-590,744,769.75-251,882,608.86

Finding the Fourth Proportional to 428,083,200.99, 590,744,769.75 and 251,882,608.86

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Solution

The fourth proportional to 428,083,200.99, 590,744,769.75 and 251,882,608.86 is: 347,592,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,083,200.99 : 590,744,769.75 = 251,882,608.86 : x
  2. Step 2: Convert to fraction form
    428,083,200.99/590,744,769.75 = 251,882,608.86/x
  3. Step 3: Cross multiply
    428,083,200.99x = 590,744,769.75 × 251,882,608.86
  4. Step 4: Simplify right side
    428,083,200.99x = 148,798,333,775,030,016
  5. Step 5: Solve for x
    x = 148,798,333,775,030,016/428,083,200.99
  6. Step 6: Final answer
    x = 347,592,088.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.