Home / 305,153,313.60-457,729,970.40-190,267,579.20

Finding the Fourth Proportional to 305,153,313.60, 457,729,970.40 and 190,267,579.20

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Solution

The fourth proportional to 305,153,313.60, 457,729,970.40 and 190,267,579.20 is: 285,401,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,153,313.60 : 457,729,970.40 = 190,267,579.20 : x
  2. Step 2: Convert to fraction form
    305,153,313.60/457,729,970.40 = 190,267,579.20/x
  3. Step 3: Cross multiply
    305,153,313.60x = 457,729,970.40 × 190,267,579.20
  4. Step 4: Simplify right side
    305,153,313.60x = 87,091,173,395,295,648
  5. Step 5: Solve for x
    x = 87,091,173,395,295,648/305,153,313.60
  6. Step 6: Final answer
    x = 285,401,368.80

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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.