Home / 297,229,643.60-445,419,312.60-218,895,240.20

Finding the Fourth Proportional to 297,229,643.60, 445,419,312.60 and 218,895,240.20

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Solution

The fourth proportional to 297,229,643.60, 445,419,312.60 and 218,895,240.20 is: 328,029,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,229,643.60 : 445,419,312.60 = 218,895,240.20 : x
  2. Step 2: Convert to fraction form
    297,229,643.60/445,419,312.60 = 218,895,240.20/x
  3. Step 3: Cross multiply
    297,229,643.60x = 445,419,312.60 × 218,895,240.20
  4. Step 4: Simplify right side
    297,229,643.60x = 97,500,167,421,295,888
  5. Step 5: Solve for x
    x = 97,500,167,421,295,888/297,229,643.60
  6. Step 6: Final answer
    x = 328,029,755.85

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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.