Home / 358,665,443.20-494,943,018.93-199,887,117.37

Finding the Fourth Proportional to 358,665,443.20, 494,943,018.93 and 199,887,117.37

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Solution

The fourth proportional to 358,665,443.20, 494,943,018.93 and 199,887,117.37 is: 275,835,699.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,665,443.20 : 494,943,018.93 = 199,887,117.37 : x
  2. Step 2: Convert to fraction form
    358,665,443.20/494,943,018.93 = 199,887,117.37/x
  3. Step 3: Cross multiply
    358,665,443.20x = 494,943,018.93 × 199,887,117.37
  4. Step 4: Simplify right side
    358,665,443.20x = 98,932,733,316,323,040
  5. Step 5: Solve for x
    x = 98,932,733,316,323,040/358,665,443.20
  6. Step 6: Final answer
    x = 275,835,699.23

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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.