Home / 357,988,953.91-494,021,187.06-199,216,357.33

Finding the Fourth Proportional to 357,988,953.91, 494,021,187.06 and 199,216,357.33

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Solution

The fourth proportional to 357,988,953.91, 494,021,187.06 and 199,216,357.33 is: 274,916,586.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,988,953.91 : 494,021,187.06 = 199,216,357.33 : x
  2. Step 2: Convert to fraction form
    357,988,953.91/494,021,187.06 = 199,216,357.33/x
  3. Step 3: Cross multiply
    357,988,953.91x = 494,021,187.06 × 199,216,357.33
  4. Step 4: Simplify right side
    357,988,953.91x = 98,417,101,329,935,744
  5. Step 5: Solve for x
    x = 98,417,101,329,935,744/357,988,953.91
  6. Step 6: Final answer
    x = 274,916,586.82

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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.