Home / 622,610,484.68-859,208,185.88-354,682,346.31

Finding the Fourth Proportional to 622,610,484.68, 859,208,185.88 and 354,682,346.31

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Solution

The fourth proportional to 622,610,484.68, 859,208,185.88 and 354,682,346.31 is: 489,464,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,610,484.68 : 859,208,185.88 = 354,682,346.31 : x
  2. Step 2: Convert to fraction form
    622,610,484.68/859,208,185.88 = 354,682,346.31/x
  3. Step 3: Cross multiply
    622,610,484.68x = 859,208,185.88 × 354,682,346.31
  4. Step 4: Simplify right side
    622,610,484.68x = 304,745,975,337,563,712
  5. Step 5: Solve for x
    x = 304,745,975,337,563,712/622,610,484.68
  6. Step 6: Final answer
    x = 489,464,894.73

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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.