Home / 330,833,028.80-496,355,831.40-221,781,335.60

Finding the Fourth Proportional to 330,833,028.80, 496,355,831.40 and 221,781,335.60

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Solution

The fourth proportional to 330,833,028.80, 496,355,831.40 and 221,781,335.60 is: 332,743,256.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,833,028.80 : 496,355,831.40 = 221,781,335.60 : x
  2. Step 2: Convert to fraction form
    330,833,028.80/496,355,831.40 = 221,781,335.60/x
  3. Step 3: Cross multiply
    330,833,028.80x = 496,355,831.40 × 221,781,335.60
  4. Step 4: Simplify right side
    330,833,028.80x = 110,082,459,220,740,416
  5. Step 5: Solve for x
    x = 110,082,459,220,740,416/330,833,028.80
  6. Step 6: Final answer
    x = 332,743,256.08

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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.