Finding the Fourth Proportional to 1,175,951,801.37, 1,763,927,701.44 and 439,079,251.80
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Solution
The fourth proportional to 1,175,951,801.37, 1,763,927,701.44 and 439,079,251.80 is: 658,618,877.47
Step by Step Solution
- Step 1: Write the proportion equation
1,175,951,801.37 : 1,763,927,701.44 = 439,079,251.80 : x - Step 2: Convert to fraction form
1,175,951,801.37/1,763,927,701.44 = 439,079,251.80/x - Step 3: Cross multiply
1,175,951,801.37x = 1,763,927,701.44 × 439,079,251.80 - Step 4: Simplify right side
1,175,951,801.37x = 774,504,055,368,749,440 - Step 5: Solve for x
x = 774,504,055,368,749,440/1,175,951,801.37 - Step 6: Final answer
x = 658,618,877.47
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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.