Finding the Fourth Proportional to 1,045,275,976.14, 1,569,003,539.76 and 463,418,842.74
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Solution
The fourth proportional to 1,045,275,976.14, 1,569,003,539.76 and 463,418,842.74 is: 695,611,322.99
Step by Step Solution
- Step 1: Write the proportion equation
1,045,275,976.14 : 1,569,003,539.76 = 463,418,842.74 : x - Step 2: Convert to fraction form
1,045,275,976.14/1,569,003,539.76 = 463,418,842.74/x - Step 3: Cross multiply
1,045,275,976.14x = 1,569,003,539.76 × 463,418,842.74 - Step 4: Simplify right side
1,045,275,976.14x = 727,105,804,650,542,848 - Step 5: Solve for x
x = 727,105,804,650,542,848/1,045,275,976.14 - Step 6: Final answer
x = 695,611,322.99
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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.