Home / 682,677,596.70-942,096,721.06-369,415,172.16

Finding the Fourth Proportional to 682,677,596.70, 942,096,721.06 and 369,415,172.16

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Solution

The fourth proportional to 682,677,596.70, 942,096,721.06 and 369,415,172.16 is: 509,793,823.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,677,596.70 : 942,096,721.06 = 369,415,172.16 : x
  2. Step 2: Convert to fraction form
    682,677,596.70/942,096,721.06 = 369,415,172.16/x
  3. Step 3: Cross multiply
    682,677,596.70x = 942,096,721.06 × 369,415,172.16
  4. Step 4: Simplify right side
    682,677,596.70x = 348,024,822,401,751,424
  5. Step 5: Solve for x
    x = 348,024,822,401,751,424/682,677,596.70
  6. Step 6: Final answer
    x = 509,793,823.74

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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.