Home / 452,099,475,378.20-678,281,544,568.20-145,783,094,942.20

Finding the Fourth Proportional to 452,099,475,378.20, 678,281,544,568.20 and 145,783,094,942.20

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Solution

The fourth proportional to 452,099,475,378.20, 678,281,544,568.20 and 145,783,094,942.20 is: 218,717,313,765.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,099,475,378.20 : 678,281,544,568.20 = 145,783,094,942.20 : x
  2. Step 2: Convert to fraction form
    452,099,475,378.20/678,281,544,568.20 = 145,783,094,942.20/x
  3. Step 3: Cross multiply
    452,099,475,378.20x = 678,281,544,568.20 × 145,783,094,942.20
  4. Step 4: Simplify right side
    452,099,475,378.20x = 98,881,982,809,327,970,287,616
  5. Step 5: Solve for x
    x = 98,881,982,809,327,970,287,616/452,099,475,378.20
  6. Step 6: Final answer
    x = 218,717,313,765.09

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1.5x scale

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.