Home / 255,235,330,105.29-382,510,773,346.11-198,643,529,205.45

Finding the Fourth Proportional to 255,235,330,105.29, 382,510,773,346.11 and 198,643,529,205.45

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Solution

The fourth proportional to 255,235,330,105.29, 382,510,773,346.11 and 198,643,529,205.45 is: 297,698,950,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,235,330,105.29 : 382,510,773,346.11 = 198,643,529,205.45 : x
  2. Step 2: Convert to fraction form
    255,235,330,105.29/382,510,773,346.11 = 198,643,529,205.45/x
  3. Step 3: Cross multiply
    255,235,330,105.29x = 382,510,773,346.11 × 198,643,529,205.45
  4. Step 4: Simplify right side
    255,235,330,105.29x = 75,983,289,976,577,266,286,592
  5. Step 5: Solve for x
    x = 75,983,289,976,577,266,286,592/255,235,330,105.29
  6. Step 6: Final answer
    x = 297,698,950,788.80

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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.