Finding the Fourth Proportional to 4,156,638,872.35, 5,736,115,977.80 and 2,251,352,947.09
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Solution
The fourth proportional to 4,156,638,872.35, 5,736,115,977.80 and 2,251,352,947.09 is: 3,106,842,332.96
Step by Step Solution
- Step 1: Write the proportion equation
4,156,638,872.35 : 5,736,115,977.80 = 2,251,352,947.09 : x - Step 2: Convert to fraction form
4,156,638,872.35/5,736,115,977.80 = 2,251,352,947.09/x - Step 3: Cross multiply
4,156,638,872.35x = 5,736,115,977.80 × 2,251,352,947.09 - Step 4: Simplify right side
4,156,638,872.35x = 12,914,021,611,444,934,656 - Step 5: Solve for x
x = 12,914,021,611,444,934,656/4,156,638,872.35 - Step 6: Final answer
x = 3,106,842,332.96
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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.