Home / 377,059,713.19-520,334,248.51-218,296,531.31

Finding the Fourth Proportional to 377,059,713.19, 520,334,248.51 and 218,296,531.31

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Solution

The fourth proportional to 377,059,713.19, 520,334,248.51 and 218,296,531.31 is: 301,244,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,059,713.19 : 520,334,248.51 = 218,296,531.31 : x
  2. Step 2: Convert to fraction form
    377,059,713.19/520,334,248.51 = 218,296,531.31/x
  3. Step 3: Cross multiply
    377,059,713.19x = 520,334,248.51 × 218,296,531.31
  4. Step 4: Simplify right side
    377,059,713.19x = 113,587,161,569,199,744
  5. Step 5: Solve for x
    x = 113,587,161,569,199,744/377,059,713.19
  6. Step 6: Final answer
    x = 301,244,491.51

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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.