Home / 380,056,028.80-570,084,043.20-325,636,470.40

Finding the Fourth Proportional to 380,056,028.80, 570,084,043.20 and 325,636,470.40

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Solution

The fourth proportional to 380,056,028.80, 570,084,043.20 and 325,636,470.40 is: 488,454,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,056,028.80 : 570,084,043.20 = 325,636,470.40 : x
  2. Step 2: Convert to fraction form
    380,056,028.80/570,084,043.20 = 325,636,470.40/x
  3. Step 3: Cross multiply
    380,056,028.80x = 570,084,043.20 × 325,636,470.40
  4. Step 4: Simplify right side
    380,056,028.80x = 185,640,155,659,009,120
  5. Step 5: Solve for x
    x = 185,640,155,659,009,120/380,056,028.80
  6. Step 6: Final answer
    x = 488,454,705.60

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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.