Finding the Fourth Proportional to 1,270,859,296,160.40, 1,753,771,335,315.80 and 692,783,062,323.14
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Solution
The fourth proportional to 1,270,859,296,160.40, 1,753,771,335,315.80 and 692,783,062,323.14 is: 956,032,725,231.98
Step by Step Solution
- Step 1: Write the proportion equation
1,270,859,296,160.40 : 1,753,771,335,315.80 = 692,783,062,323.14 : x - Step 2: Convert to fraction form
1,270,859,296,160.40/1,753,771,335,315.80 = 692,783,062,323.14/x - Step 3: Cross multiply
1,270,859,296,160.40x = 1,753,771,335,315.80 × 692,783,062,323.14 - Step 4: Simplify right side
1,270,859,296,160.40x = 1,214,983,076,294,622,296,670,208 - Step 5: Solve for x
x = 1,214,983,076,294,622,296,670,208/1,270,859,296,160.40 - Step 6: Final answer
x = 956,032,725,231.98
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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.