Finding the Fourth Proportional to 822,687,299.68, 1,234,124,585.75 and 298,303,378.94
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Solution
The fourth proportional to 822,687,299.68, 1,234,124,585.75 and 298,303,378.94 is: 447,489,020.56
Step by Step Solution
- Step 1: Write the proportion equation
822,687,299.68 : 1,234,124,585.75 = 298,303,378.94 : x - Step 2: Convert to fraction form
822,687,299.68/1,234,124,585.75 = 298,303,378.94/x - Step 3: Cross multiply
822,687,299.68x = 1,234,124,585.75 × 298,303,378.94 - Step 4: Simplify right side
822,687,299.68x = 368,143,533,962,737,152 - Step 5: Solve for x
x = 368,143,533,962,737,152/822,687,299.68 - Step 6: Final answer
x = 447,489,020.56
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1.5x scale
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.