Home / 375,485,637.20-563,228,455.80-191,819,627.60

Finding the Fourth Proportional to 375,485,637.20, 563,228,455.80 and 191,819,627.60

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Solution

The fourth proportional to 375,485,637.20, 563,228,455.80 and 191,819,627.60 is: 287,729,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,485,637.20 : 563,228,455.80 = 191,819,627.60 : x
  2. Step 2: Convert to fraction form
    375,485,637.20/563,228,455.80 = 191,819,627.60/x
  3. Step 3: Cross multiply
    375,485,637.20x = 563,228,455.80 × 191,819,627.60
  4. Step 4: Simplify right side
    375,485,637.20x = 108,038,272,645,279,040
  5. Step 5: Solve for x
    x = 108,038,272,645,279,040/375,485,637.20
  6. Step 6: Final answer
    x = 287,729,441.40

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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.