Home / 621,674,723.28-858,298,293.82-395,741,186.90

Finding the Fourth Proportional to 621,674,723.28, 858,298,293.82 and 395,741,186.90

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Solution

The fourth proportional to 621,674,723.28, 858,298,293.82 and 395,741,186.90 is: 546,369,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,674,723.28 : 858,298,293.82 = 395,741,186.90 : x
  2. Step 2: Convert to fraction form
    621,674,723.28/858,298,293.82 = 395,741,186.90/x
  3. Step 3: Cross multiply
    621,674,723.28x = 858,298,293.82 × 395,741,186.90
  4. Step 4: Simplify right side
    621,674,723.28x = 339,663,985,510,571,712
  5. Step 5: Solve for x
    x = 339,663,985,510,571,712/621,674,723.28
  6. Step 6: Final answer
    x = 546,369,303.42

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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.