Home / 940,308,909.80-1,409,086,494.30-843,264,429.80

Finding the Fourth Proportional to 940,308,909.80, 1,409,086,494.30 and 843,264,429.80

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Solution

The fourth proportional to 940,308,909.80, 1,409,086,494.30 and 843,264,429.80 is: 1,263,661,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,308,909.80 : 1,409,086,494.30 = 843,264,429.80 : x
  2. Step 2: Convert to fraction form
    940,308,909.80/1,409,086,494.30 = 843,264,429.80/x
  3. Step 3: Cross multiply
    940,308,909.80x = 1,409,086,494.30 × 843,264,429.80
  4. Step 4: Simplify right side
    940,308,909.80x = 1,188,232,519,154,770,432
  5. Step 5: Solve for x
    x = 1,188,232,519,154,770,432/940,308,909.80
  6. Step 6: Final answer
    x = 1,263,661,874.06

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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.