Finding the Fourth Proportional to 1,074,587,276.70, 1,609,193,529.45 and 859,596,428.70
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Solution
The fourth proportional to 1,074,587,276.70, 1,609,193,529.45 and 859,596,428.70 is: 1,287,244,918.11
Step by Step Solution
- Step 1: Write the proportion equation
1,074,587,276.70 : 1,609,193,529.45 = 859,596,428.70 : x - Step 2: Convert to fraction form
1,074,587,276.70/1,609,193,529.45 = 859,596,428.70/x - Step 3: Cross multiply
1,074,587,276.70x = 1,609,193,529.45 × 859,596,428.70 - Step 4: Simplify right side
1,074,587,276.70x = 1,383,257,011,002,368,512 - Step 5: Solve for x
x = 1,383,257,011,002,368,512/1,074,587,276.70 - Step 6: Final answer
x = 1,287,244,918.11
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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.