Finding the Fourth Proportional to 1,596,112,981.13, 2,202,591,734.45 and 881,635,729.12
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Solution
The fourth proportional to 1,596,112,981.13, 2,202,591,734.45 and 881,635,729.12 is: 1,216,632,903.00
Step by Step Solution
- Step 1: Write the proportion equation
1,596,112,981.13 : 2,202,591,734.45 = 881,635,729.12 : x - Step 2: Convert to fraction form
1,596,112,981.13/2,202,591,734.45 = 881,635,729.12/x - Step 3: Cross multiply
1,596,112,981.13x = 2,202,591,734.45 × 881,635,729.12 - Step 4: Simplify right side
1,596,112,981.13x = 1,941,883,569,748,946,688 - Step 5: Solve for x
x = 1,941,883,569,748,946,688/1,596,112,981.13 - Step 6: Final answer
x = 1,216,632,903.00
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1.5x scale
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.