Finding the Fourth Proportional to 559,177,712.70, 838,766,569.05 and 317,313,008.70
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Solution
The fourth proportional to 559,177,712.70, 838,766,569.05 and 317,313,008.70 is: 475,969,513.05
Step by Step Solution
- Step 1: Write the proportion equation
559,177,712.70 : 838,766,569.05 = 317,313,008.70 : x - Step 2: Convert to fraction form
559,177,712.70/838,766,569.05 = 317,313,008.70/x - Step 3: Cross multiply
559,177,712.70x = 838,766,569.05 × 317,313,008.70 - Step 4: Simplify right side
559,177,712.70x = 266,151,543,622,231,776 - Step 5: Solve for x
x = 266,151,543,622,231,776/559,177,712.70 - Step 6: Final answer
x = 475,969,513.05
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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.