Finding the Fourth Proportional to 614,328,695.70, 921,493,043.55 and 614,328,695.70
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Solution
The fourth proportional to 614,328,695.70, 921,493,043.55 and 614,328,695.70 is: 921,493,043.55
Step by Step Solution
- Step 1: Write the proportion equation
614,328,695.70 : 921,493,043.55 = 614,328,695.70 : x - Step 2: Convert to fraction form
614,328,695.70/921,493,043.55 = 614,328,695.70/x - Step 3: Cross multiply
614,328,695.70x = 921,493,043.55 × 614,328,695.70 - Step 4: Simplify right side
614,328,695.70x = 566,099,619,540,694,784 - Step 5: Solve for x
x = 566,099,619,540,694,784/614,328,695.70 - Step 6: Final answer
x = 921,493,043.55
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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.