Home / 458,790,336.63-688,400,738.55-228,777,357.42

Finding the Fourth Proportional to 458,790,336.63, 688,400,738.55 and 228,777,357.42

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Solution

The fourth proportional to 458,790,336.63, 688,400,738.55 and 228,777,357.42 is: 343,273,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,790,336.63 : 688,400,738.55 = 228,777,357.42 : x
  2. Step 2: Convert to fraction form
    458,790,336.63/688,400,738.55 = 228,777,357.42/x
  3. Step 3: Cross multiply
    458,790,336.63x = 688,400,738.55 × 228,777,357.42
  4. Step 4: Simplify right side
    458,790,336.63x = 157,490,501,811,445,312
  5. Step 5: Solve for x
    x = 157,490,501,811,445,312/458,790,336.63
  6. Step 6: Final answer
    x = 343,273,363.10

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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.