Finding the Fourth Proportional to 668,698,982.10, 1,003,048,473.15 and 177,411,302.10
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Solution
The fourth proportional to 668,698,982.10, 1,003,048,473.15 and 177,411,302.10 is: 266,116,953.15
Step by Step Solution
- Step 1: Write the proportion equation
668,698,982.10 : 1,003,048,473.15 = 177,411,302.10 : x - Step 2: Convert to fraction form
668,698,982.10/1,003,048,473.15 = 177,411,302.10/x - Step 3: Cross multiply
668,698,982.10x = 1,003,048,473.15 × 177,411,302.10 - Step 4: Simplify right side
668,698,982.10x = 177,952,135,690,958,368 - Step 5: Solve for x
x = 177,952,135,690,958,368/668,698,982.10 - Step 6: Final answer
x = 266,116,953.15
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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.