Finding the Fourth Proportional to 1,702,450,812.70, 2,553,676,219.05 and 1,120,841,782.30
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Solution
The fourth proportional to 1,702,450,812.70, 2,553,676,219.05 and 1,120,841,782.30 is: 1,681,262,673.45
Step by Step Solution
- Step 1: Write the proportion equation
1,702,450,812.70 : 2,553,676,219.05 = 1,120,841,782.30 : x - Step 2: Convert to fraction form
1,702,450,812.70/2,553,676,219.05 = 1,120,841,782.30/x - Step 3: Cross multiply
1,702,450,812.70x = 2,553,676,219.05 × 1,120,841,782.30 - Step 4: Simplify right side
1,702,450,812.70x = 2,862,267,004,777,127,424 - Step 5: Solve for x
x = 2,862,267,004,777,127,424/1,702,450,812.70 - Step 6: Final answer
x = 1,681,262,673.45
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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.