Finding the Fourth Proportional to 7,084,808,996.97, 9,776,972,049.18 and 3,869,718,318.09
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Solution
The fourth proportional to 7,084,808,996.97, 9,776,972,049.18 and 3,869,718,318.09 is: 5,340,176,121.95
Step by Step Solution
- Step 1: Write the proportion equation
7,084,808,996.97 : 9,776,972,049.18 = 3,869,718,318.09 : x - Step 2: Convert to fraction form
7,084,808,996.97/9,776,972,049.18 = 3,869,718,318.09/x - Step 3: Cross multiply
7,084,808,996.97x = 9,776,972,049.18 × 3,869,718,318.09 - Step 4: Simplify right side
7,084,808,996.97x = 37,834,127,834,165,772,288 - Step 5: Solve for x
x = 37,834,127,834,165,772,288/7,084,808,996.97 - Step 6: Final answer
x = 5,340,176,121.95
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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.