Home / 397,612,567.36-548,700,111.60-218,993,026.24

Finding the Fourth Proportional to 397,612,567.36, 548,700,111.60 and 218,993,026.24

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Solution

The fourth proportional to 397,612,567.36, 548,700,111.60 and 218,993,026.24 is: 302,207,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,612,567.36 : 548,700,111.60 = 218,993,026.24 : x
  2. Step 2: Convert to fraction form
    397,612,567.36/548,700,111.60 = 218,993,026.24/x
  3. Step 3: Cross multiply
    397,612,567.36x = 548,700,111.60 × 218,993,026.24
  4. Step 4: Simplify right side
    397,612,567.36x = 120,161,497,937,509,744
  5. Step 5: Solve for x
    x = 120,161,497,937,509,744/397,612,567.36
  6. Step 6: Final answer
    x = 302,207,494.94

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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.