Home / 1,166,531,738-1,609,055,274.12-748,181,382.80

Finding the Fourth Proportional to 1,166,531,738, 1,609,055,274.12 and 748,181,382.80

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Solution

The fourth proportional to 1,166,531,738, 1,609,055,274.12 and 748,181,382.80 is: 1,032,003,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,531,738 : 1,609,055,274.12 = 748,181,382.80 : x
  2. Step 2: Convert to fraction form
    1,166,531,738/1,609,055,274.12 = 748,181,382.80/x
  3. Step 3: Cross multiply
    1,166,531,738x = 1,609,055,274.12 × 748,181,382.80
  4. Step 4: Simplify right side
    1,166,531,738x = 1,203,865,199,992,734,464
  5. Step 5: Solve for x
    x = 1,203,865,199,992,734,464/1,166,531,738
  6. Step 6: Final answer
    x = 1,032,003,811.62

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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.