Home / 565,280,015.20-847,920,022.80-323,415,311.20

Finding the Fourth Proportional to 565,280,015.20, 847,920,022.80 and 323,415,311.20

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Solution

The fourth proportional to 565,280,015.20, 847,920,022.80 and 323,415,311.20 is: 485,122,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,280,015.20 : 847,920,022.80 = 323,415,311.20 : x
  2. Step 2: Convert to fraction form
    565,280,015.20/847,920,022.80 = 323,415,311.20/x
  3. Step 3: Cross multiply
    565,280,015.20x = 847,920,022.80 × 323,415,311.20
  4. Step 4: Simplify right side
    565,280,015.20x = 274,230,318,046,573,056
  5. Step 5: Solve for x
    x = 274,230,318,046,573,056/565,280,015.20
  6. Step 6: Final answer
    x = 485,122,966.80

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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.