Home / 1,455,361,271.10-2,183,041,906.65-420,255,920.70

Finding the Fourth Proportional to 1,455,361,271.10, 2,183,041,906.65 and 420,255,920.70

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Solution

The fourth proportional to 1,455,361,271.10, 2,183,041,906.65 and 420,255,920.70 is: 630,383,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,361,271.10 : 2,183,041,906.65 = 420,255,920.70 : x
  2. Step 2: Convert to fraction form
    1,455,361,271.10/2,183,041,906.65 = 420,255,920.70/x
  3. Step 3: Cross multiply
    1,455,361,271.10x = 2,183,041,906.65 × 420,255,920.70
  4. Step 4: Simplify right side
    1,455,361,271.10x = 917,436,286,405,879,168
  5. Step 5: Solve for x
    x = 917,436,286,405,879,168/1,455,361,271.10
  6. Step 6: Final answer
    x = 630,383,881.05

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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.