Home / 606,339,428.63-909,915,408.23-212,867,423.15

Finding the Fourth Proportional to 606,339,428.63, 909,915,408.23 and 212,867,423.15

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Solution

The fourth proportional to 606,339,428.63, 909,915,408.23 and 212,867,423.15 is: 319,443,762.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,339,428.63 : 909,915,408.23 = 212,867,423.15 : x
  2. Step 2: Convert to fraction form
    606,339,428.63/909,915,408.23 = 212,867,423.15/x
  3. Step 3: Cross multiply
    606,339,428.63x = 909,915,408.23 × 212,867,423.15
  4. Step 4: Simplify right side
    606,339,428.63x = 193,691,348,228,786,496
  5. Step 5: Solve for x
    x = 193,691,348,228,786,496/606,339,428.63
  6. Step 6: Final answer
    x = 319,443,762.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.