Home / 347,752,405.20-521,628,607.80-186,509,269.20

Finding the Fourth Proportional to 347,752,405.20, 521,628,607.80 and 186,509,269.20

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Solution

The fourth proportional to 347,752,405.20, 521,628,607.80 and 186,509,269.20 is: 279,763,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,752,405.20 : 521,628,607.80 = 186,509,269.20 : x
  2. Step 2: Convert to fraction form
    347,752,405.20/521,628,607.80 = 186,509,269.20/x
  3. Step 3: Cross multiply
    347,752,405.20x = 521,628,607.80 × 186,509,269.20
  4. Step 4: Simplify right side
    347,752,405.20x = 97,288,570,434,591,408
  5. Step 5: Solve for x
    x = 97,288,570,434,591,408/347,752,405.20
  6. Step 6: Final answer
    x = 279,763,903.80

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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.