Finding the Fourth Proportional to 459,881,201.80, 689,821,802.70 and 414,531,569.80
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Solution
The fourth proportional to 459,881,201.80, 689,821,802.70 and 414,531,569.80 is: 621,797,354.70
Step by Step Solution
- Step 1: Write the proportion equation
459,881,201.80 : 689,821,802.70 = 414,531,569.80 : x - Step 2: Convert to fraction form
459,881,201.80/689,821,802.70 = 414,531,569.80/x - Step 3: Cross multiply
459,881,201.80x = 689,821,802.70 × 414,531,569.80 - Step 4: Simplify right side
459,881,201.80x = 285,952,914,755,496,896 - Step 5: Solve for x
x = 285,952,914,755,496,896/459,881,201.80 - Step 6: Final answer
x = 621,797,354.70
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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.