Finding the Fourth Proportional to 3,031,124,579.36, 4,182,907,402.92 and 1,693,034,196.74
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Solution
The fourth proportional to 3,031,124,579.36, 4,182,907,402.92 and 1,693,034,196.74 is: 2,336,362,326.76
Step by Step Solution
- Step 1: Write the proportion equation
3,031,124,579.36 : 4,182,907,402.92 = 1,693,034,196.74 : x - Step 2: Convert to fraction form
3,031,124,579.36/4,182,907,402.92 = 1,693,034,196.74/x - Step 3: Cross multiply
3,031,124,579.36x = 4,182,907,402.92 × 1,693,034,196.74 - Step 4: Simplify right side
3,031,124,579.36x = 7,081,805,274,940,462,080 - Step 5: Solve for x
x = 7,081,805,274,940,462,080/3,031,124,579.36 - Step 6: Final answer
x = 2,336,362,326.76
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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.