Finding the Fourth Proportional to 2,642,965,617.40, 3,966,194,984.84 and 1,244,349,866.28
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Solution
The fourth proportional to 2,642,965,617.40, 3,966,194,984.84 and 1,244,349,866.28 is: 1,867,347,106.80
Step by Step Solution
- Step 1: Write the proportion equation
2,642,965,617.40 : 3,966,194,984.84 = 1,244,349,866.28 : x - Step 2: Convert to fraction form
2,642,965,617.40/3,966,194,984.84 = 1,244,349,866.28/x - Step 3: Cross multiply
2,642,965,617.40x = 3,966,194,984.84 × 1,244,349,866.28 - Step 4: Simplify right side
2,642,965,617.40x = 4,935,334,199,026,060,288 - Step 5: Solve for x
x = 4,935,334,199,026,060,288/2,642,965,617.40 - Step 6: Final answer
x = 1,867,347,106.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.