Finding the Fourth Proportional to 7,999,185,263.68, 11,038,874,718.09 and 4,784,094,757.18
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Solution
The fourth proportional to 7,999,185,263.68, 11,038,874,718.09 and 4,784,094,757.18 is: 6,602,050,199.26
Step by Step Solution
- Step 1: Write the proportion equation
7,999,185,263.68 : 11,038,874,718.09 = 4,784,094,757.18 : x - Step 2: Convert to fraction form
7,999,185,263.68/11,038,874,718.09 = 4,784,094,757.18/x - Step 3: Cross multiply
7,999,185,263.68x = 11,038,874,718.09 × 4,784,094,757.18 - Step 4: Simplify right side
7,999,185,263.68x = 52,811,022,663,981,219,840 - Step 5: Solve for x
x = 52,811,022,663,981,219,840/7,999,185,263.68 - Step 6: Final answer
x = 6,602,050,199.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.