Finding the Fourth Proportional to 79,917,800,964.84, 119,884,070,321.50 and 26,135,215,533.16
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Solution
The fourth proportional to 79,917,800,964.84, 119,884,070,321.50 and 26,135,215,533.16 is: 39,205,233,114.75
Step by Step Solution
- Step 1: Write the proportion equation
79,917,800,964.84 : 119,884,070,321.50 = 26,135,215,533.16 : x - Step 2: Convert to fraction form
79,917,800,964.84/119,884,070,321.50 = 26,135,215,533.16/x - Step 3: Cross multiply
79,917,800,964.84x = 119,884,070,321.50 × 26,135,215,533.16 - Step 4: Simplify right side
79,917,800,964.84x = 3,133,196,016,844,912,721,920 - Step 5: Solve for x
x = 3,133,196,016,844,912,721,920/79,917,800,964.84 - Step 6: Final answer
x = 39,205,233,114.75
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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.