Finding the Fourth Proportional to 7,661,762,663.79, 10,573,227,799.35 and 4,141,497,479.79
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Solution
The fourth proportional to 7,661,762,663.79, 10,573,227,799.35 and 4,141,497,479.79 is: 5,715,263,994.17
Step by Step Solution
- Step 1: Write the proportion equation
7,661,762,663.79 : 10,573,227,799.35 = 4,141,497,479.79 : x - Step 2: Convert to fraction form
7,661,762,663.79/10,573,227,799.35 = 4,141,497,479.79/x - Step 3: Cross multiply
7,661,762,663.79x = 10,573,227,799.35 × 4,141,497,479.79 - Step 4: Simplify right side
7,661,762,663.79x = 43,788,996,284,253,593,600 - Step 5: Solve for x
x = 43,788,996,284,253,593,600/7,661,762,663.79 - Step 6: Final answer
x = 5,715,263,994.17
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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.