Home / 425,562,294.22-638,527,784.92-228,595,878.54

Finding the Fourth Proportional to 425,562,294.22, 638,527,784.92 and 228,595,878.54

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Solution

The fourth proportional to 425,562,294.22, 638,527,784.92 and 228,595,878.54 is: 342,992,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,562,294.22 : 638,527,784.92 = 228,595,878.54 : x
  2. Step 2: Convert to fraction form
    425,562,294.22/638,527,784.92 = 228,595,878.54/x
  3. Step 3: Cross multiply
    425,562,294.22x = 638,527,784.92 × 228,595,878.54
  4. Step 4: Simplify right side
    425,562,294.22x = 145,964,819,965,416,064
  5. Step 5: Solve for x
    x = 145,964,819,965,416,064/425,562,294.22
  6. Step 6: Final answer
    x = 342,992,840.18

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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.