Finding the Fourth Proportional to 938,631,177.70, 1,316,804,626.70 and 938,631,177.70
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Solution
The fourth proportional to 938,631,177.70, 1,316,804,626.70 and 938,631,177.70 is: 1,316,804,626.70
Step by Step Solution
- Step 1: Write the proportion equation
938,631,177.70 : 1,316,804,626.70 = 938,631,177.70 : x - Step 2: Convert to fraction form
938,631,177.70/1,316,804,626.70 = 938,631,177.70/x - Step 3: Cross multiply
938,631,177.70x = 1,316,804,626.70 × 938,631,177.70 - Step 4: Simplify right side
938,631,177.70x = 1,235,993,877,560,229,888 - Step 5: Solve for x
x = 1,235,993,877,560,229,888/938,631,177.70 - Step 6: Final answer
x = 1,316,804,626.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.