Home / 682,608,045.66-941,998,493.43-385,312,865.82

Finding the Fourth Proportional to 682,608,045.66, 941,998,493.43 and 385,312,865.82

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Solution

The fourth proportional to 682,608,045.66, 941,998,493.43 and 385,312,865.82 is: 531,731,410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,608,045.66 : 941,998,493.43 = 385,312,865.82 : x
  2. Step 2: Convert to fraction form
    682,608,045.66/941,998,493.43 = 385,312,865.82/x
  3. Step 3: Cross multiply
    682,608,045.66x = 941,998,493.43 × 385,312,865.82
  4. Step 4: Simplify right side
    682,608,045.66x = 362,964,139,101,635,712
  5. Step 5: Solve for x
    x = 362,964,139,101,635,712/682,608,045.66
  6. Step 6: Final answer
    x = 531,731,410.74

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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.