Home / 472,393,166.80-708,589,750.20-299,993,706.40

Finding the Fourth Proportional to 472,393,166.80, 708,589,750.20 and 299,993,706.40

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Solution

The fourth proportional to 472,393,166.80, 708,589,750.20 and 299,993,706.40 is: 449,990,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,166.80 : 708,589,750.20 = 299,993,706.40 : x
  2. Step 2: Convert to fraction form
    472,393,166.80/708,589,750.20 = 299,993,706.40/x
  3. Step 3: Cross multiply
    472,393,166.80x = 708,589,750.20 × 299,993,706.40
  4. Step 4: Simplify right side
    472,393,166.80x = 212,572,465,479,548,128
  5. Step 5: Solve for x
    x = 212,572,465,479,548,128/472,393,166.80
  6. Step 6: Final answer
    x = 449,990,559.60

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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.