Finding the Fourth Proportional to 5,214,295,245.66, 7,195,508,460.63 and 2,956,386,679.26
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Solution
The fourth proportional to 5,214,295,245.66, 7,195,508,460.63 and 2,956,386,679.26 is: 4,079,689,461.62
Step by Step Solution
- Step 1: Write the proportion equation
5,214,295,245.66 : 7,195,508,460.63 = 2,956,386,679.26 : x - Step 2: Convert to fraction form
5,214,295,245.66/7,195,508,460.63 = 2,956,386,679.26/x - Step 3: Cross multiply
5,214,295,245.66x = 7,195,508,460.63 × 2,956,386,679.26 - Step 4: Simplify right side
5,214,295,245.66x = 21,272,705,363,509,161,984 - Step 5: Solve for x
x = 21,272,705,363,509,161,984/5,214,295,245.66 - Step 6: Final answer
x = 4,079,689,461.62
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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.