Home / 682,677,589.95-942,096,711.75-369,415,165.41

Finding the Fourth Proportional to 682,677,589.95, 942,096,711.75 and 369,415,165.41

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Solution

The fourth proportional to 682,677,589.95, 942,096,711.75 and 369,415,165.41 is: 509,793,814.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,677,589.95 : 942,096,711.75 = 369,415,165.41 : x
  2. Step 2: Convert to fraction form
    682,677,589.95/942,096,711.75 = 369,415,165.41/x
  3. Step 3: Cross multiply
    682,677,589.95x = 942,096,711.75 × 369,415,165.41
  4. Step 4: Simplify right side
    682,677,589.95x = 348,024,812,603,343,360
  5. Step 5: Solve for x
    x = 348,024,812,603,343,360/682,677,589.95
  6. Step 6: Final answer
    x = 509,793,814.43

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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.