Home / 682,677,589.48-942,096,711.11-369,415,164.94

Finding the Fourth Proportional to 682,677,589.48, 942,096,711.11 and 369,415,164.94

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Solution

The fourth proportional to 682,677,589.48, 942,096,711.11 and 369,415,164.94 is: 509,793,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,677,589.48 : 942,096,711.11 = 369,415,164.94 : x
  2. Step 2: Convert to fraction form
    682,677,589.48/942,096,711.11 = 369,415,164.94/x
  3. Step 3: Cross multiply
    682,677,589.48x = 942,096,711.11 × 369,415,164.94
  4. Step 4: Simplify right side
    682,677,589.48x = 348,024,811,917,574,656
  5. Step 5: Solve for x
    x = 348,024,811,917,574,656/682,677,589.48
  6. Step 6: Final answer
    x = 509,793,813.78

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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.