Finding the Fourth Proportional to 2,887,215,938.10, 4,330,130,474.66 and 1,333,013,977.98
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Solution
The fourth proportional to 2,887,215,938.10, 4,330,130,474.66 and 1,333,013,977.98 is: 1,999,200,812.46
Step by Step Solution
- Step 1: Write the proportion equation
2,887,215,938.10 : 4,330,130,474.66 = 1,333,013,977.98 : x - Step 2: Convert to fraction form
2,887,215,938.10/4,330,130,474.66 = 1,333,013,977.98/x - Step 3: Cross multiply
2,887,215,938.10x = 4,330,130,474.66 × 1,333,013,977.98 - Step 4: Simplify right side
2,887,215,938.10x = 5,772,124,449,198,952,448 - Step 5: Solve for x
x = 5,772,124,449,198,952,448/2,887,215,938.10 - Step 6: Final answer
x = 1,999,200,812.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.