Home / 428,199,275.30-590,951,135.34-240,024,561.08

Finding the Fourth Proportional to 428,199,275.30, 590,951,135.34 and 240,024,561.08

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Solution

The fourth proportional to 428,199,275.30, 590,951,135.34 and 240,024,561.08 is: 331,254,149.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,199,275.30 : 590,951,135.34 = 240,024,561.08 : x
  2. Step 2: Convert to fraction form
    428,199,275.30/590,951,135.34 = 240,024,561.08/x
  3. Step 3: Cross multiply
    428,199,275.30x = 590,951,135.34 × 240,024,561.08
  4. Step 4: Simplify right side
    428,199,275.30x = 141,842,786,876,756,416
  5. Step 5: Solve for x
    x = 141,842,786,876,756,416/428,199,275.30
  6. Step 6: Final answer
    x = 331,254,149.79

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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.