Home / 489,254,214.04-733,882,830.68-120,789,208.60

Finding the Fourth Proportional to 489,254,214.04, 733,882,830.68 and 120,789,208.60

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Solution

The fourth proportional to 489,254,214.04, 733,882,830.68 and 120,789,208.60 is: 181,184,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,254,214.04 : 733,882,830.68 = 120,789,208.60 : x
  2. Step 2: Convert to fraction form
    489,254,214.04/733,882,830.68 = 120,789,208.60/x
  3. Step 3: Cross multiply
    489,254,214.04x = 733,882,830.68 × 120,789,208.60
  4. Step 4: Simplify right side
    489,254,214.04x = 88,645,126,322,964,992
  5. Step 5: Solve for x
    x = 88,645,126,322,964,992/489,254,214.04
  6. Step 6: Final answer
    x = 181,184,185.60

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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.