Finding the Fourth Proportional to 2,187,120,461.84, 3,018,215,374.44 and 1,183,537,322
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Solution
The fourth proportional to 2,187,120,461.84, 3,018,215,374.44 and 1,183,537,322 is: 1,633,275,626.02
Step by Step Solution
- Step 1: Write the proportion equation
2,187,120,461.84 : 3,018,215,374.44 = 1,183,537,322 : x - Step 2: Convert to fraction form
2,187,120,461.84/3,018,215,374.44 = 1,183,537,322/x - Step 3: Cross multiply
2,187,120,461.84x = 3,018,215,374.44 × 1,183,537,322 - Step 4: Simplify right side
2,187,120,461.84x = 3,572,170,541,483,944,960 - Step 5: Solve for x
x = 3,572,170,541,483,944,960/2,187,120,461.84 - Step 6: Final answer
x = 1,633,275,626.02
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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.