Finding the Fourth Proportional to 8,381,567,999.80, 12,572,351,999.70 and 3,472,610,303.80
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Solution
The fourth proportional to 8,381,567,999.80, 12,572,351,999.70 and 3,472,610,303.80 is: 5,208,915,455.70
Step by Step Solution
- Step 1: Write the proportion equation
8,381,567,999.80 : 12,572,351,999.70 = 3,472,610,303.80 : x - Step 2: Convert to fraction form
8,381,567,999.80/12,572,351,999.70 = 3,472,610,303.80/x - Step 3: Cross multiply
8,381,567,999.80x = 12,572,351,999.70 × 3,472,610,303.80 - Step 4: Simplify right side
8,381,567,999.80x = 43,658,879,097,158,762,496 - Step 5: Solve for x
x = 43,658,879,097,158,762,496/8,381,567,999.80 - Step 6: Final answer
x = 5,208,915,455.70
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1.5x scale
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.