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Finding the Fourth Proportional to 402,408,836.70, 603,613,255.05 and 402,408,836.70

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Solution

The fourth proportional to 402,408,836.70, 603,613,255.05 and 402,408,836.70 is: 603,613,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,408,836.70 : 603,613,255.05 = 402,408,836.70 : x
  2. Step 2: Convert to fraction form
    402,408,836.70/603,613,255.05 = 402,408,836.70/x
  3. Step 3: Cross multiply
    402,408,836.70x = 603,613,255.05 × 402,408,836.70
  4. Step 4: Simplify right side
    402,408,836.70x = 242,899,307,781,370,880
  5. Step 5: Solve for x
    x = 242,899,307,781,370,880/402,408,836.70
  6. Step 6: Final answer
    x = 603,613,255.05

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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.