Finding the Fourth Proportional to 430,902,120.08, 594,659,599.80 and 254,841,038.48
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Solution
The fourth proportional to 430,902,120.08, 594,659,599.80 and 254,841,038.48 is: 351,689,311.55
Step by Step Solution
- Step 1: Write the proportion equation
430,902,120.08 : 594,659,599.80 = 254,841,038.48 : x - Step 2: Convert to fraction form
430,902,120.08/594,659,599.80 = 254,841,038.48/x - Step 3: Cross multiply
430,902,120.08x = 594,659,599.80 × 254,841,038.48 - Step 4: Simplify right side
430,902,120.08x = 151,543,669,955,133,184 - Step 5: Solve for x
x = 151,543,669,955,133,184/430,902,120.08 - Step 6: Final answer
x = 351,689,311.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.