Finding the Fourth Proportional to 840,565,915,694.65, 1,159,982,082,289.70 and 455,190,926,163.94
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Solution
The fourth proportional to 840,565,915,694.65, 1,159,982,082,289.70 and 455,190,926,163.94 is: 628,164,083,877.55
Step by Step Solution
- Step 1: Write the proportion equation
840,565,915,694.65 : 1,159,982,082,289.70 = 455,190,926,163.94 : x - Step 2: Convert to fraction form
840,565,915,694.65/1,159,982,082,289.70 = 455,190,926,163.94/x - Step 3: Cross multiply
840,565,915,694.65x = 1,159,982,082,289.70 × 455,190,926,163.94 - Step 4: Simplify right side
840,565,915,694.65x = 528,013,318,371,024,161,472,512 - Step 5: Solve for x
x = 528,013,318,371,024,161,472,512/840,565,915,694.65 - Step 6: Final answer
x = 628,164,083,877.55
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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.