Home / 297,217,208.60-445,400,660.10-218,882,805.20

Finding the Fourth Proportional to 297,217,208.60, 445,400,660.10 and 218,882,805.20

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Solution

The fourth proportional to 297,217,208.60, 445,400,660.10 and 218,882,805.20 is: 328,011,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,217,208.60 : 445,400,660.10 = 218,882,805.20 : x
  2. Step 2: Convert to fraction form
    297,217,208.60/445,400,660.10 = 218,882,805.20/x
  3. Step 3: Cross multiply
    297,217,208.60x = 445,400,660.10 × 218,882,805.20
  4. Step 4: Simplify right side
    297,217,208.60x = 97,490,545,920,619,712
  5. Step 5: Solve for x
    x = 97,490,545,920,619,712/297,217,208.60
  6. Step 6: Final answer
    x = 328,011,108.04

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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.