Finding the Fourth Proportional to 1,889,423,033.60, 2,833,943,194.92 and 509,377,044.80
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Solution
The fourth proportional to 1,889,423,033.60, 2,833,943,194.92 and 509,377,044.80 is: 764,013,978.92
Step by Step Solution
- Step 1: Write the proportion equation
1,889,423,033.60 : 2,833,943,194.92 = 509,377,044.80 : x - Step 2: Convert to fraction form
1,889,423,033.60/2,833,943,194.92 = 509,377,044.80/x - Step 3: Cross multiply
1,889,423,033.60x = 2,833,943,194.92 × 509,377,044.80 - Step 4: Simplify right side
1,889,423,033.60x = 1,443,545,609,759,420,160 - Step 5: Solve for x
x = 1,443,545,609,759,420,160/1,889,423,033.60 - Step 6: Final answer
x = 764,013,978.92
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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.