Finding the Fourth Proportional to 324,038,497.08, 486,059,006.66 and 78,394,737.76
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Solution
The fourth proportional to 324,038,497.08, 486,059,006.66 and 78,394,737.76 is: 117,592,411.72
Step by Step Solution
- Step 1: Write the proportion equation
324,038,497.08 : 486,059,006.66 = 78,394,737.76 : x - Step 2: Convert to fraction form
324,038,497.08/486,059,006.66 = 78,394,737.76/x - Step 3: Cross multiply
324,038,497.08x = 486,059,006.66 × 78,394,737.76 - Step 4: Simplify right side
324,038,497.08x = 38,104,468,362,996,800 - Step 5: Solve for x
x = 38,104,468,362,996,800/324,038,497.08 - Step 6: Final answer
x = 117,592,411.72
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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.