Finding the Fourth Proportional to 1,177,732,626.77, 1,625,266,113.68 and 649,095,351.19
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Solution
The fourth proportional to 1,177,732,626.77, 1,625,266,113.68 and 649,095,351.19 is: 895,748,877.85
Step by Step Solution
- Step 1: Write the proportion equation
1,177,732,626.77 : 1,625,266,113.68 = 649,095,351.19 : x - Step 2: Convert to fraction form
1,177,732,626.77/1,625,266,113.68 = 649,095,351.19/x - Step 3: Cross multiply
1,177,732,626.77x = 1,625,266,113.68 × 649,095,351.19 - Step 4: Simplify right side
1,177,732,626.77x = 1,054,952,678,833,885,568 - Step 5: Solve for x
x = 1,054,952,678,833,885,568/1,177,732,626.77 - Step 6: Final answer
x = 895,748,877.85
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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.