Finding the Fourth Proportional to 1,554,966,365.20, 2,332,449,547.80 and 1,511,919,644.20
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Solution
The fourth proportional to 1,554,966,365.20, 2,332,449,547.80 and 1,511,919,644.20 is: 2,267,879,466.30
Step by Step Solution
- Step 1: Write the proportion equation
1,554,966,365.20 : 2,332,449,547.80 = 1,511,919,644.20 : x - Step 2: Convert to fraction form
1,554,966,365.20/2,332,449,547.80 = 1,511,919,644.20/x - Step 3: Cross multiply
1,554,966,365.20x = 2,332,449,547.80 × 1,511,919,644.20 - Step 4: Simplify right side
1,554,966,365.20x = 3,526,476,290,424,227,328 - Step 5: Solve for x
x = 3,526,476,290,424,227,328/1,554,966,365.20 - Step 6: Final answer
x = 2,267,879,466.30
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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.