Home / 682,679,316.75-942,099,955.16-369,413,533.95

Finding the Fourth Proportional to 682,679,316.75, 942,099,955.16 and 369,413,533.95

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Solution

The fourth proportional to 682,679,316.75, 942,099,955.16 and 369,413,533.95 is: 509,792,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,679,316.75 : 942,099,955.16 = 369,413,533.95 : x
  2. Step 2: Convert to fraction form
    682,679,316.75/942,099,955.16 = 369,413,533.95/x
  3. Step 3: Cross multiply
    682,679,316.75x = 942,099,955.16 × 369,413,533.95
  4. Step 4: Simplify right side
    682,679,316.75x = 348,024,473,767,945,024
  5. Step 5: Solve for x
    x = 348,024,473,767,945,024/682,679,316.75
  6. Step 6: Final answer
    x = 509,792,028.60

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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.