Finding the Fourth Proportional to 1,396,199,702.70, 2,094,299,554.05 and 814,590,672.30
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Solution
The fourth proportional to 1,396,199,702.70, 2,094,299,554.05 and 814,590,672.30 is: 1,221,886,008.45
Step by Step Solution
- Step 1: Write the proportion equation
1,396,199,702.70 : 2,094,299,554.05 = 814,590,672.30 : x - Step 2: Convert to fraction form
1,396,199,702.70/2,094,299,554.05 = 814,590,672.30/x - Step 3: Cross multiply
1,396,199,702.70x = 2,094,299,554.05 × 814,590,672.30 - Step 4: Simplify right side
1,396,199,702.70x = 1,705,996,881,731,179,520 - Step 5: Solve for x
x = 1,705,996,881,731,179,520/1,396,199,702.70 - Step 6: Final answer
x = 1,221,886,008.45
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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.