Finding the Fourth Proportional to 3,219,379,246.80, 4,829,068,870.20 and 1,177,762,453.20
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Solution
The fourth proportional to 3,219,379,246.80, 4,829,068,870.20 and 1,177,762,453.20 is: 1,766,643,679.80
Step by Step Solution
- Step 1: Write the proportion equation
3,219,379,246.80 : 4,829,068,870.20 = 1,177,762,453.20 : x - Step 2: Convert to fraction form
3,219,379,246.80/4,829,068,870.20 = 1,177,762,453.20/x - Step 3: Cross multiply
3,219,379,246.80x = 4,829,068,870.20 × 1,177,762,453.20 - Step 4: Simplify right side
3,219,379,246.80x = 5,687,495,999,238,504,448 - Step 5: Solve for x
x = 5,687,495,999,238,504,448/3,219,379,246.80 - Step 6: Final answer
x = 1,766,643,679.80
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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.