Home / 458,423,477.82-687,202,948.41-228,174,893.10

Finding the Fourth Proportional to 458,423,477.82, 687,202,948.41 and 228,174,893.10

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Solution

The fourth proportional to 458,423,477.82, 687,202,948.41 and 228,174,893.10 is: 342,047,183.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,423,477.82 : 687,202,948.41 = 228,174,893.10 : x
  2. Step 2: Convert to fraction form
    458,423,477.82/687,202,948.41 = 228,174,893.10/x
  3. Step 3: Cross multiply
    458,423,477.82x = 687,202,948.41 × 228,174,893.10
  4. Step 4: Simplify right side
    458,423,477.82x = 156,802,459,291,456,544
  5. Step 5: Solve for x
    x = 156,802,459,291,456,544/458,423,477.82
  6. Step 6: Final answer
    x = 342,047,183.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.