Home / 484,467,999.70-726,701,999.55-354,371,242.90

Finding the Fourth Proportional to 484,467,999.70, 726,701,999.55 and 354,371,242.90

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Solution

The fourth proportional to 484,467,999.70, 726,701,999.55 and 354,371,242.90 is: 531,556,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,467,999.70 : 726,701,999.55 = 354,371,242.90 : x
  2. Step 2: Convert to fraction form
    484,467,999.70/726,701,999.55 = 354,371,242.90/x
  3. Step 3: Cross multiply
    484,467,999.70x = 726,701,999.55 × 354,371,242.90
  4. Step 4: Simplify right side
    484,467,999.70x = 257,522,290,798,448,704
  5. Step 5: Solve for x
    x = 257,522,290,798,448,704/484,467,999.70
  6. Step 6: Final answer
    x = 531,556,864.35

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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.