Finding the Fourth Proportional to 858,160,909,331.20, 1,183,466,572,088.60 and 626,307,180,586.70
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Solution
The fourth proportional to 858,160,909,331.20, 1,183,466,572,088.60 and 626,307,180,586.70 is: 863,723,346,080.95
Step by Step Solution
- Step 1: Write the proportion equation
858,160,909,331.20 : 1,183,466,572,088.60 = 626,307,180,586.70 : x - Step 2: Convert to fraction form
858,160,909,331.20/1,183,466,572,088.60 = 626,307,180,586.70/x - Step 3: Cross multiply
858,160,909,331.20x = 1,183,466,572,088.60 × 626,307,180,586.70 - Step 4: Simplify right side
858,160,909,331.20x = 741,213,612,083,417,561,694,208 - Step 5: Solve for x
x = 741,213,612,083,417,561,694,208/858,160,909,331.20 - Step 6: Final answer
x = 863,723,346,080.95
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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.