Finding the Fourth Proportional to 933,975,203.70, 1,288,901,102.09 and 557,664,671.97
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Solution
The fourth proportional to 933,975,203.70, 1,288,901,102.09 and 557,664,671.97 is: 769,586,395.28
Step by Step Solution
- Step 1: Write the proportion equation
933,975,203.70 : 1,288,901,102.09 = 557,664,671.97 : x - Step 2: Convert to fraction form
933,975,203.70/1,288,901,102.09 = 557,664,671.97/x - Step 3: Cross multiply
933,975,203.70x = 1,288,901,102.09 × 557,664,671.97 - Step 4: Simplify right side
933,975,203.70x = 718,774,610,296,003,072 - Step 5: Solve for x
x = 718,774,610,296,003,072/933,975,203.70 - Step 6: Final answer
x = 769,586,395.28
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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.