Home / 682,677,589.19-942,096,710.72-369,415,164.65

Finding the Fourth Proportional to 682,677,589.19, 942,096,710.72 and 369,415,164.65

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Solution

The fourth proportional to 682,677,589.19, 942,096,710.72 and 369,415,164.65 is: 509,793,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,677,589.19 : 942,096,710.72 = 369,415,164.65 : x
  2. Step 2: Convert to fraction form
    682,677,589.19/942,096,710.72 = 369,415,164.65/x
  3. Step 3: Cross multiply
    682,677,589.19x = 942,096,710.72 × 369,415,164.65
  4. Step 4: Simplify right side
    682,677,589.19x = 348,024,811,507,360,384
  5. Step 5: Solve for x
    x = 348,024,811,507,360,384/682,677,589.19
  6. Step 6: Final answer
    x = 509,793,813.39

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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.