Finding the Fourth Proportional to 2,087,255,497.05, 2,880,241,366.19 and 1,228,793,815.89
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Solution
The fourth proportional to 2,087,255,497.05, 2,880,241,366.19 and 1,228,793,815.89 is: 1,695,634,666.69
Step by Step Solution
- Step 1: Write the proportion equation
2,087,255,497.05 : 2,880,241,366.19 = 1,228,793,815.89 : x - Step 2: Convert to fraction form
2,087,255,497.05/2,880,241,366.19 = 1,228,793,815.89/x - Step 3: Cross multiply
2,087,255,497.05x = 2,880,241,366.19 × 1,228,793,815.89 - Step 4: Simplify right side
2,087,255,497.05x = 3,539,222,779,038,693,376 - Step 5: Solve for x
x = 3,539,222,779,038,693,376/2,087,255,497.05 - Step 6: Final answer
x = 1,695,634,666.69
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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.