Home / 789,782,002.80-1,184,673,004.20-381,635,314.80

Finding the Fourth Proportional to 789,782,002.80, 1,184,673,004.20 and 381,635,314.80

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Solution

The fourth proportional to 789,782,002.80, 1,184,673,004.20 and 381,635,314.80 is: 572,452,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,782,002.80 : 1,184,673,004.20 = 381,635,314.80 : x
  2. Step 2: Convert to fraction form
    789,782,002.80/1,184,673,004.20 = 381,635,314.80/x
  3. Step 3: Cross multiply
    789,782,002.80x = 1,184,673,004.20 × 381,635,314.80
  4. Step 4: Simplify right side
    789,782,002.80x = 452,113,054,892,928,768
  5. Step 5: Solve for x
    x = 452,113,054,892,928,768/789,782,002.80
  6. Step 6: Final answer
    x = 572,452,972.20

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1.5x scale

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.