Home / 452,099,475,399.20-678,281,544,599.70-145,783,094,963.18

Finding the Fourth Proportional to 452,099,475,399.20, 678,281,544,599.70 and 145,783,094,963.18

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Solution

The fourth proportional to 452,099,475,399.20, 678,281,544,599.70 and 145,783,094,963.18 is: 218,717,313,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,099,475,399.20 : 678,281,544,599.70 = 145,783,094,963.18 : x
  2. Step 2: Convert to fraction form
    452,099,475,399.20/678,281,544,599.70 = 145,783,094,963.18/x
  3. Step 3: Cross multiply
    452,099,475,399.20x = 678,281,544,599.70 × 145,783,094,963.18
  4. Step 4: Simplify right side
    452,099,475,399.20x = 98,881,982,828,150,463,135,744
  5. Step 5: Solve for x
    x = 98,881,982,828,150,463,135,744/452,099,475,399.20
  6. Step 6: Final answer
    x = 218,717,313,796.57

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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.