Home / 380,058,230.80-570,087,346.20-325,638,672.40

Finding the Fourth Proportional to 380,058,230.80, 570,087,346.20 and 325,638,672.40

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Solution

The fourth proportional to 380,058,230.80, 570,087,346.20 and 325,638,672.40 is: 488,458,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,058,230.80 : 570,087,346.20 = 325,638,672.40 : x
  2. Step 2: Convert to fraction form
    380,058,230.80/570,087,346.20 = 325,638,672.40/x
  3. Step 3: Cross multiply
    380,058,230.80x = 570,087,346.20 × 325,638,672.40
  4. Step 4: Simplify right side
    380,058,230.80x = 185,642,486,568,607,200
  5. Step 5: Solve for x
    x = 185,642,486,568,607,200/380,058,230.80
  6. Step 6: Final answer
    x = 488,458,008.60

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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.