Finding the Fourth Proportional to 997,013,370.16, 1,494,183,251.76 and 775,951,641.28
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Solution
The fourth proportional to 997,013,370.16, 1,494,183,251.76 and 775,951,641.28 is: 1,162,887,059.77
Step by Step Solution
- Step 1: Write the proportion equation
997,013,370.16 : 1,494,183,251.76 = 775,951,641.28 : x - Step 2: Convert to fraction form
997,013,370.16/1,494,183,251.76 = 775,951,641.28/x - Step 3: Cross multiply
997,013,370.16x = 1,494,183,251.76 × 775,951,641.28 - Step 4: Simplify right side
997,013,370.16x = 1,159,413,946,576,259,328 - Step 5: Solve for x
x = 1,159,413,946,576,259,328/997,013,370.16 - Step 6: Final answer
x = 1,162,887,059.77
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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.