Finding the Fourth Proportional to 1,074,587,259.70, 1,609,193,503.95 and 859,596,411.70
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Solution
The fourth proportional to 1,074,587,259.70, 1,609,193,503.95 and 859,596,411.70 is: 1,287,244,892.62
Step by Step Solution
- Step 1: Write the proportion equation
1,074,587,259.70 : 1,609,193,503.95 = 859,596,411.70 : x - Step 2: Convert to fraction form
1,074,587,259.70/1,609,193,503.95 = 859,596,411.70/x - Step 3: Cross multiply
1,074,587,259.70x = 1,609,193,503.95 × 859,596,411.70 - Step 4: Simplify right side
1,074,587,259.70x = 1,383,256,961,726,369,792 - Step 5: Solve for x
x = 1,383,256,961,726,369,792/1,074,587,259.70 - Step 6: Final answer
x = 1,287,244,892.62
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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.