Finding the Fourth Proportional to 18,154,595,126.16, 27,240,166,963.80 and 9,317,639,666.70
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Solution
The fourth proportional to 18,154,595,126.16, 27,240,166,963.80 and 9,317,639,666.70 is: 13,980,706,177.45
Step by Step Solution
- Step 1: Write the proportion equation
18,154,595,126.16 : 27,240,166,963.80 = 9,317,639,666.70 : x - Step 2: Convert to fraction form
18,154,595,126.16/27,240,166,963.80 = 9,317,639,666.70/x - Step 3: Cross multiply
18,154,595,126.16x = 27,240,166,963.80 × 9,317,639,666.70 - Step 4: Simplify right side
18,154,595,126.16x = 253,814,060,229,433,786,368 - Step 5: Solve for x
x = 253,814,060,229,433,786,368/18,154,595,126.16 - Step 6: Final answer
x = 13,980,706,177.45
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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.