Finding the Fourth Proportional to 2,949,515,999.10, 4,424,273,998.65 and 1,201,765,982.40
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Solution
The fourth proportional to 2,949,515,999.10, 4,424,273,998.65 and 1,201,765,982.40 is: 1,802,648,973.60
Step by Step Solution
- Step 1: Write the proportion equation
2,949,515,999.10 : 4,424,273,998.65 = 1,201,765,982.40 : x - Step 2: Convert to fraction form
2,949,515,999.10/4,424,273,998.65 = 1,201,765,982.40/x - Step 3: Cross multiply
2,949,515,999.10x = 4,424,273,998.65 × 1,201,765,982.40 - Step 4: Simplify right side
2,949,515,999.10x = 5,316,941,988,394,393,600 - Step 5: Solve for x
x = 5,316,941,988,394,393,600/2,949,515,999.10 - Step 6: Final answer
x = 1,802,648,973.60
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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.