Home / 551,353,862.40-827,030,793.60-347,280,518.40

Finding the Fourth Proportional to 551,353,862.40, 827,030,793.60 and 347,280,518.40

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Solution

The fourth proportional to 551,353,862.40, 827,030,793.60 and 347,280,518.40 is: 520,920,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,353,862.40 : 827,030,793.60 = 347,280,518.40 : x
  2. Step 2: Convert to fraction form
    551,353,862.40/827,030,793.60 = 347,280,518.40/x
  3. Step 3: Cross multiply
    551,353,862.40x = 827,030,793.60 × 347,280,518.40
  4. Step 4: Simplify right side
    551,353,862.40x = 287,211,682,734,171,392
  5. Step 5: Solve for x
    x = 287,211,682,734,171,392/551,353,862.40
  6. Step 6: Final answer
    x = 520,920,777.60

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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.