Home / 452,099,475,393.69-678,281,544,591.43-145,783,094,957.68

Finding the Fourth Proportional to 452,099,475,393.69, 678,281,544,591.43 and 145,783,094,957.68

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Solution

The fourth proportional to 452,099,475,393.69, 678,281,544,591.43 and 145,783,094,957.68 is: 218,717,313,788.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,099,475,393.69 : 678,281,544,591.43 = 145,783,094,957.68 : x
  2. Step 2: Convert to fraction form
    452,099,475,393.69/678,281,544,591.43 = 145,783,094,957.68/x
  3. Step 3: Cross multiply
    452,099,475,393.69x = 678,281,544,591.43 × 145,783,094,957.68
  4. Step 4: Simplify right side
    452,099,475,393.69x = 98,881,982,823,214,304,198,656
  5. Step 5: Solve for x
    x = 98,881,982,823,214,304,198,656/452,099,475,393.69
  6. Step 6: Final answer
    x = 218,717,313,788.32

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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.