Finding the Fourth Proportional to 7,153,873,003.40, 10,731,975,141.40 and 2,112,239,095.49
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Solution
The fourth proportional to 7,153,873,003.40, 10,731,975,141.40 and 2,112,239,095.49 is: 3,168,702,806.82
Step by Step Solution
- Step 1: Write the proportion equation
7,153,873,003.40 : 10,731,975,141.40 = 2,112,239,095.49 : x - Step 2: Convert to fraction form
7,153,873,003.40/10,731,975,141.40 = 2,112,239,095.49/x - Step 3: Cross multiply
7,153,873,003.40x = 10,731,975,141.40 × 2,112,239,095.49 - Step 4: Simplify right side
7,153,873,003.40x = 22,668,497,465,514,508,288 - Step 5: Solve for x
x = 22,668,497,465,514,508,288/7,153,873,003.40 - Step 6: Final answer
x = 3,168,702,806.82
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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.