Finding the Fourth Proportional to 879,433,377.10, 1,320,451,768.05 and 492,029,946.70
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Solution
The fourth proportional to 879,433,377.10, 1,320,451,768.05 and 492,029,946.70 is: 738,773,203.26
Step by Step Solution
- Step 1: Write the proportion equation
879,433,377.10 : 1,320,451,768.05 = 492,029,946.70 : x - Step 2: Convert to fraction form
879,433,377.10/1,320,451,768.05 = 492,029,946.70/x - Step 3: Cross multiply
879,433,377.10x = 1,320,451,768.05 × 492,029,946.70 - Step 4: Simplify right side
879,433,377.10x = 649,701,813,053,562,240 - Step 5: Solve for x
x = 649,701,813,053,562,240/879,433,377.10 - Step 6: Final answer
x = 738,773,203.26
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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.