Home / 682,677,588.60-942,096,709.89-369,415,164.06

Finding the Fourth Proportional to 682,677,588.60, 942,096,709.89 and 369,415,164.06

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Solution

The fourth proportional to 682,677,588.60, 942,096,709.89 and 369,415,164.06 is: 509,793,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,677,588.60 : 942,096,709.89 = 369,415,164.06 : x
  2. Step 2: Convert to fraction form
    682,677,588.60/942,096,709.89 = 369,415,164.06/x
  3. Step 3: Cross multiply
    682,677,588.60x = 942,096,709.89 × 369,415,164.06
  4. Step 4: Simplify right side
    682,677,588.60x = 348,024,810,644,400,576
  5. Step 5: Solve for x
    x = 348,024,810,644,400,576/682,677,588.60
  6. Step 6: Final answer
    x = 509,793,812.56

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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.