Home / 288,733,007.70-433,099,511.55-212,205,503.70

Finding the Fourth Proportional to 288,733,007.70, 433,099,511.55 and 212,205,503.70

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Solution

The fourth proportional to 288,733,007.70, 433,099,511.55 and 212,205,503.70 is: 318,308,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,733,007.70 : 433,099,511.55 = 212,205,503.70 : x
  2. Step 2: Convert to fraction form
    288,733,007.70/433,099,511.55 = 212,205,503.70/x
  3. Step 3: Cross multiply
    288,733,007.70x = 433,099,511.55 × 212,205,503.70
  4. Step 4: Simplify right side
    288,733,007.70x = 91,906,100,000,691,712
  5. Step 5: Solve for x
    x = 91,906,100,000,691,712/288,733,007.70
  6. Step 6: Final answer
    x = 318,308,255.55

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1.5x scale

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.