Home / 839,808,847.80-1,259,713,271.70-632,880,156.60

Finding the Fourth Proportional to 839,808,847.80, 1,259,713,271.70 and 632,880,156.60

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Solution

The fourth proportional to 839,808,847.80, 1,259,713,271.70 and 632,880,156.60 is: 949,320,234.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,847.80 : 1,259,713,271.70 = 632,880,156.60 : x
  2. Step 2: Convert to fraction form
    839,808,847.80/1,259,713,271.70 = 632,880,156.60/x
  3. Step 3: Cross multiply
    839,808,847.80x = 1,259,713,271.70 × 632,880,156.60
  4. Step 4: Simplify right side
    839,808,847.80x = 797,247,532,664,594,432
  5. Step 5: Solve for x
    x = 797,247,532,664,594,432/839,808,847.80
  6. Step 6: Final answer
    x = 949,320,234.90

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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.