Finding the Fourth Proportional to 997,013,374.62, 1,494,183,257.34 and 775,951,651.98
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Solution
The fourth proportional to 997,013,374.62, 1,494,183,257.34 and 775,951,651.98 is: 1,162,887,074.95
Step by Step Solution
- Step 1: Write the proportion equation
997,013,374.62 : 1,494,183,257.34 = 775,951,651.98 : x - Step 2: Convert to fraction form
997,013,374.62/1,494,183,257.34 = 775,951,651.98/x - Step 3: Cross multiply
997,013,374.62x = 1,494,183,257.34 × 775,951,651.98 - Step 4: Simplify right side
997,013,374.62x = 1,159,413,966,893,830,400 - Step 5: Solve for x
x = 1,159,413,966,893,830,400/997,013,374.62 - Step 6: Final answer
x = 1,162,887,074.95
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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.