Home / 407,403,022.92-562,229,751.75-228,818,382.06

Finding the Fourth Proportional to 407,403,022.92, 562,229,751.75 and 228,818,382.06

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Solution

The fourth proportional to 407,403,022.92, 562,229,751.75 and 228,818,382.06 is: 315,776,994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,403,022.92 : 562,229,751.75 = 228,818,382.06 : x
  2. Step 2: Convert to fraction form
    407,403,022.92/562,229,751.75 = 228,818,382.06/x
  3. Step 3: Cross multiply
    407,403,022.92x = 562,229,751.75 × 228,818,382.06
  4. Step 4: Simplify right side
    407,403,022.92x = 128,648,502,142,677,408
  5. Step 5: Solve for x
    x = 128,648,502,142,677,408/407,403,022.92
  6. Step 6: Final answer
    x = 315,776,994.54

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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.