Home / 585,293,682.06-807,631,045.56-320,906,102.76

Finding the Fourth Proportional to 585,293,682.06, 807,631,045.56 and 320,906,102.76

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Solution

The fourth proportional to 585,293,682.06, 807,631,045.56 and 320,906,102.76 is: 442,809,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,293,682.06 : 807,631,045.56 = 320,906,102.76 : x
  2. Step 2: Convert to fraction form
    585,293,682.06/807,631,045.56 = 320,906,102.76/x
  3. Step 3: Cross multiply
    585,293,682.06x = 807,631,045.56 × 320,906,102.76
  4. Step 4: Simplify right side
    585,293,682.06x = 259,173,731,298,643,584
  5. Step 5: Solve for x
    x = 259,173,731,298,643,584/585,293,682.06
  6. Step 6: Final answer
    x = 442,809,719.71

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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.