Home / 452,099,475,390.69-678,281,544,586.93-145,783,094,954.68

Finding the Fourth Proportional to 452,099,475,390.69, 678,281,544,586.93 and 145,783,094,954.68

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Solution

The fourth proportional to 452,099,475,390.69, 678,281,544,586.93 and 145,783,094,954.68 is: 218,717,313,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,099,475,390.69 : 678,281,544,586.93 = 145,783,094,954.68 : x
  2. Step 2: Convert to fraction form
    452,099,475,390.69/678,281,544,586.93 = 145,783,094,954.68/x
  3. Step 3: Cross multiply
    452,099,475,390.69x = 678,281,544,586.93 × 145,783,094,954.68
  4. Step 4: Simplify right side
    452,099,475,390.69x = 98,881,982,820,523,440,078,848
  5. Step 5: Solve for x
    x = 98,881,982,820,523,440,078,848/452,099,475,390.69
  6. Step 6: Final answer
    x = 218,717,313,783.81

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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.