Home / 402,408,400.80-603,612,601.20-264,658,893.60

Finding the Fourth Proportional to 402,408,400.80, 603,612,601.20 and 264,658,893.60

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Solution

The fourth proportional to 402,408,400.80, 603,612,601.20 and 264,658,893.60 is: 396,988,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,408,400.80 : 603,612,601.20 = 264,658,893.60 : x
  2. Step 2: Convert to fraction form
    402,408,400.80/603,612,601.20 = 264,658,893.60/x
  3. Step 3: Cross multiply
    402,408,400.80x = 603,612,601.20 × 264,658,893.60
  4. Step 4: Simplify right side
    402,408,400.80x = 159,751,443,196,610,048
  5. Step 5: Solve for x
    x = 159,751,443,196,610,048/402,408,400.80
  6. Step 6: Final answer
    x = 396,988,340.40

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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.