Home / 682,679,316.25-942,099,954.47-369,413,533.45

Finding the Fourth Proportional to 682,679,316.25, 942,099,954.47 and 369,413,533.45

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Solution

The fourth proportional to 682,679,316.25, 942,099,954.47 and 369,413,533.45 is: 509,792,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,679,316.25 : 942,099,954.47 = 369,413,533.45 : x
  2. Step 2: Convert to fraction form
    682,679,316.25/942,099,954.47 = 369,413,533.45/x
  3. Step 3: Cross multiply
    682,679,316.25x = 942,099,954.47 × 369,413,533.45
  4. Step 4: Simplify right side
    682,679,316.25x = 348,024,473,043,846,848
  5. Step 5: Solve for x
    x = 348,024,473,043,846,848/682,679,316.25
  6. Step 6: Final answer
    x = 509,792,027.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.