Home / 682,677,591.45-942,096,713.82-369,415,166.91

Finding the Fourth Proportional to 682,677,591.45, 942,096,713.82 and 369,415,166.91

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Solution

The fourth proportional to 682,677,591.45, 942,096,713.82 and 369,415,166.91 is: 509,793,816.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,677,591.45 : 942,096,713.82 = 369,415,166.91 : x
  2. Step 2: Convert to fraction form
    682,677,591.45/942,096,713.82 = 369,415,166.91/x
  3. Step 3: Cross multiply
    682,677,591.45x = 942,096,713.82 × 369,415,166.91
  4. Step 4: Simplify right side
    682,677,591.45x = 348,024,814,776,467,328
  5. Step 5: Solve for x
    x = 348,024,814,776,467,328/682,677,591.45
  6. Step 6: Final answer
    x = 509,793,816.49

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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.