Finding the Fourth Proportional to 6,656,766,859.81, 9,186,343,219.15 and 3,604,966,828.92
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Solution
The fourth proportional to 6,656,766,859.81, 9,186,343,219.15 and 3,604,966,828.92 is: 4,974,856,905.99
Step by Step Solution
- Step 1: Write the proportion equation
6,656,766,859.81 : 9,186,343,219.15 = 3,604,966,828.92 : x - Step 2: Convert to fraction form
6,656,766,859.81/9,186,343,219.15 = 3,604,966,828.92/x - Step 3: Cross multiply
6,656,766,859.81x = 9,186,343,219.15 × 3,604,966,828.92 - Step 4: Simplify right side
6,656,766,859.81x = 33,116,462,584,100,904,960 - Step 5: Solve for x
x = 33,116,462,584,100,904,960/6,656,766,859.81 - Step 6: Final answer
x = 4,974,856,905.99
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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.