Finding the Fourth Proportional to 477,158,367.70, 715,737,551.55 and 247,575,855.70
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Solution
The fourth proportional to 477,158,367.70, 715,737,551.55 and 247,575,855.70 is: 371,363,783.55
Step by Step Solution
- Step 1: Write the proportion equation
477,158,367.70 : 715,737,551.55 = 247,575,855.70 : x - Step 2: Convert to fraction form
477,158,367.70/715,737,551.55 = 247,575,855.70/x - Step 3: Cross multiply
477,158,367.70x = 715,737,551.55 × 247,575,855.70 - Step 4: Simplify right side
477,158,367.70x = 177,199,336,781,614,080 - Step 5: Solve for x
x = 177,199,336,781,614,080/477,158,367.70 - Step 6: Final answer
x = 371,363,783.55
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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.