Home / 375,485,629.20-563,228,443.80-191,819,619.60

Finding the Fourth Proportional to 375,485,629.20, 563,228,443.80 and 191,819,619.60

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Solution

The fourth proportional to 375,485,629.20, 563,228,443.80 and 191,819,619.60 is: 287,729,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,485,629.20 : 563,228,443.80 = 191,819,619.60 : x
  2. Step 2: Convert to fraction form
    375,485,629.20/563,228,443.80 = 191,819,619.60/x
  3. Step 3: Cross multiply
    375,485,629.20x = 563,228,443.80 × 191,819,619.60
  4. Step 4: Simplify right side
    375,485,629.20x = 108,038,265,837,615,968
  5. Step 5: Solve for x
    x = 108,038,265,837,615,968/375,485,629.20
  6. Step 6: Final answer
    x = 287,729,429.40

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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.