Home / 994,164,973.49-1,491,400,688.07-338,962,771.89

Finding the Fourth Proportional to 994,164,973.49, 1,491,400,688.07 and 338,962,771.89

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Solution

The fourth proportional to 994,164,973.49, 1,491,400,688.07 and 338,962,771.89 is: 508,496,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,164,973.49 : 1,491,400,688.07 = 338,962,771.89 : x
  2. Step 2: Convert to fraction form
    994,164,973.49/1,491,400,688.07 = 338,962,771.89/x
  3. Step 3: Cross multiply
    994,164,973.49x = 1,491,400,688.07 × 338,962,771.89
  4. Step 4: Simplify right side
    994,164,973.49x = 505,529,311,226,860,416
  5. Step 5: Solve for x
    x = 505,529,311,226,860,416/994,164,973.49
  6. Step 6: Final answer
    x = 508,496,401.21

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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.