Home / 1,455,361,280.60-2,183,041,920.90-420,255,930.20

Finding the Fourth Proportional to 1,455,361,280.60, 2,183,041,920.90 and 420,255,930.20

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Solution

The fourth proportional to 1,455,361,280.60, 2,183,041,920.90 and 420,255,930.20 is: 630,383,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,361,280.60 : 2,183,041,920.90 = 420,255,930.20 : x
  2. Step 2: Convert to fraction form
    1,455,361,280.60/2,183,041,920.90 = 420,255,930.20/x
  3. Step 3: Cross multiply
    1,455,361,280.60x = 2,183,041,920.90 × 420,255,930.20
  4. Step 4: Simplify right side
    1,455,361,280.60x = 917,436,313,133,424,384
  5. Step 5: Solve for x
    x = 917,436,313,133,424,384/1,455,361,280.60
  6. Step 6: Final answer
    x = 630,383,895.30

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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.