Finding the Fourth Proportional to 2,911,533,563.58, 4,018,096,376.39 and 1,606,473,511.21
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Solution
The fourth proportional to 2,911,533,563.58, 4,018,096,376.39 and 1,606,473,511.21 is: 2,217,032,794.99
Step by Step Solution
- Step 1: Write the proportion equation
2,911,533,563.58 : 4,018,096,376.39 = 1,606,473,511.21 : x - Step 2: Convert to fraction form
2,911,533,563.58/4,018,096,376.39 = 1,606,473,511.21/x - Step 3: Cross multiply
2,911,533,563.58x = 4,018,096,376.39 × 1,606,473,511.21 - Step 4: Simplify right side
2,911,533,563.58x = 6,454,965,394,159,421,440 - Step 5: Solve for x
x = 6,454,965,394,159,421,440/2,911,533,563.58 - Step 6: Final answer
x = 2,217,032,794.99
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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.