Home / 1,255,190,611.80-1,732,111,029.41-682,976,026.88

Finding the Fourth Proportional to 1,255,190,611.80, 1,732,111,029.41 and 682,976,026.88

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Solution

The fourth proportional to 1,255,190,611.80, 1,732,111,029.41 and 682,976,026.88 is: 942,478,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,190,611.80 : 1,732,111,029.41 = 682,976,026.88 : x
  2. Step 2: Convert to fraction form
    1,255,190,611.80/1,732,111,029.41 = 682,976,026.88/x
  3. Step 3: Cross multiply
    1,255,190,611.80x = 1,732,111,029.41 × 682,976,026.88
  4. Step 4: Simplify right side
    1,255,190,611.80x = 1,182,990,308,969,393,152
  5. Step 5: Solve for x
    x = 1,182,990,308,969,393,152/1,255,190,611.80
  6. Step 6: Final answer
    x = 942,478,614.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.