Finding the Fourth Proportional to 1,446,948,539.30, 2,169,548,962.11 and 649,119,583.31
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Solution
The fourth proportional to 1,446,948,539.30, 2,169,548,962.11 and 649,119,583.31 is: 973,287,356.11
Step by Step Solution
- Step 1: Write the proportion equation
1,446,948,539.30 : 2,169,548,962.11 = 649,119,583.31 : x - Step 2: Convert to fraction form
1,446,948,539.30/2,169,548,962.11 = 649,119,583.31/x - Step 3: Cross multiply
1,446,948,539.30x = 2,169,548,962.11 × 649,119,583.31 - Step 4: Simplify right side
1,446,948,539.30x = 1,408,296,718,244,638,464 - Step 5: Solve for x
x = 1,408,296,718,244,638,464/1,446,948,539.30 - Step 6: Final answer
x = 973,287,356.11
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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.