Finding the Fourth Proportional to 2,379,911,706.47, 3,569,882,772.08 and 699,190,319.05
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Solution
The fourth proportional to 2,379,911,706.47, 3,569,882,772.08 and 699,190,319.05 is: 1,048,789,947.79
Step by Step Solution
- Step 1: Write the proportion equation
2,379,911,706.47 : 3,569,882,772.08 = 699,190,319.05 : x - Step 2: Convert to fraction form
2,379,911,706.47/3,569,882,772.08 = 699,190,319.05/x - Step 3: Cross multiply
2,379,911,706.47x = 3,569,882,772.08 × 699,190,319.05 - Step 4: Simplify right side
2,379,911,706.47x = 2,496,027,474,374,536,704 - Step 5: Solve for x
x = 2,496,027,474,374,536,704/2,379,911,706.47 - Step 6: Final answer
x = 1,048,789,947.79
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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.