Home / 475,415,698.80-713,123,548.20-130,404,201.60

Finding the Fourth Proportional to 475,415,698.80, 713,123,548.20 and 130,404,201.60

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Solution

The fourth proportional to 475,415,698.80, 713,123,548.20 and 130,404,201.60 is: 195,606,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,415,698.80 : 713,123,548.20 = 130,404,201.60 : x
  2. Step 2: Convert to fraction form
    475,415,698.80/713,123,548.20 = 130,404,201.60/x
  3. Step 3: Cross multiply
    475,415,698.80x = 713,123,548.20 × 130,404,201.60
  4. Step 4: Simplify right side
    475,415,698.80x = 92,994,306,945,180,112
  5. Step 5: Solve for x
    x = 92,994,306,945,180,112/475,415,698.80
  6. Step 6: Final answer
    x = 195,606,302.40

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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.