Finding the Fourth Proportional to 5,038,379,498.94, 7,557,542,336.97 and 1,307,668,166.34
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Solution
The fourth proportional to 5,038,379,498.94, 7,557,542,336.97 and 1,307,668,166.34 is: 1,961,495,264.88
Step by Step Solution
- Step 1: Write the proportion equation
5,038,379,498.94 : 7,557,542,336.97 = 1,307,668,166.34 : x - Step 2: Convert to fraction form
5,038,379,498.94/7,557,542,336.97 = 1,307,668,166.34/x - Step 3: Cross multiply
5,038,379,498.94x = 7,557,542,336.97 × 1,307,668,166.34 - Step 4: Simplify right side
5,038,379,498.94x = 9,882,757,529,822,478,336 - Step 5: Solve for x
x = 9,882,757,529,822,478,336/5,038,379,498.94 - Step 6: Final answer
x = 1,961,495,264.88
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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.