Finding the Fourth Proportional to 7,187,670,697.49, 10,781,725,690.42 and 2,465,926,381.97
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Solution
The fourth proportional to 7,187,670,697.49, 10,781,725,690.42 and 2,465,926,381.97 is: 3,698,964,927.88
Step by Step Solution
- Step 1: Write the proportion equation
7,187,670,697.49 : 10,781,725,690.42 = 2,465,926,381.97 : x - Step 2: Convert to fraction form
7,187,670,697.49/10,781,725,690.42 = 2,465,926,381.97/x - Step 3: Cross multiply
7,187,670,697.49x = 10,781,725,690.42 × 2,465,926,381.97 - Step 4: Simplify right side
7,187,670,697.49x = 26,586,941,823,116,484,608 - Step 5: Solve for x
x = 26,586,941,823,116,484,608/7,187,670,697.49 - Step 6: Final answer
x = 3,698,964,927.88
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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.