Finding the Fourth Proportional to 1,344,276,497.80, 2,016,414,746.70 and 763,145,764.30
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Solution
The fourth proportional to 1,344,276,497.80, 2,016,414,746.70 and 763,145,764.30 is: 1,144,718,646.45
Step by Step Solution
- Step 1: Write the proportion equation
1,344,276,497.80 : 2,016,414,746.70 = 763,145,764.30 : x - Step 2: Convert to fraction form
1,344,276,497.80/2,016,414,746.70 = 763,145,764.30/x - Step 3: Cross multiply
1,344,276,497.80x = 2,016,414,746.70 × 763,145,764.30 - Step 4: Simplify right side
1,344,276,497.80x = 1,538,818,373,016,162,304 - Step 5: Solve for x
x = 1,538,818,373,016,162,304/1,344,276,497.80 - Step 6: Final answer
x = 1,144,718,646.45
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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.