Home / 402,408,002.70-603,612,004.05-300,371,330.70

Finding the Fourth Proportional to 402,408,002.70, 603,612,004.05 and 300,371,330.70

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Solution

The fourth proportional to 402,408,002.70, 603,612,004.05 and 300,371,330.70 is: 450,556,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,408,002.70 : 603,612,004.05 = 300,371,330.70 : x
  2. Step 2: Convert to fraction form
    402,408,002.70/603,612,004.05 = 300,371,330.70/x
  3. Step 3: Cross multiply
    402,408,002.70x = 603,612,004.05 × 300,371,330.70
  4. Step 4: Simplify right side
    402,408,002.70x = 181,307,740,882,992,256
  5. Step 5: Solve for x
    x = 181,307,740,882,992,256/402,408,002.70
  6. Step 6: Final answer
    x = 450,556,996.05

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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.