Finding the Fourth Proportional to 1,163,772,090.80, 1,746,508,441.80 and 819,398,322.80
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Solution
The fourth proportional to 1,163,772,090.80, 1,746,508,441.80 and 819,398,322.80 is: 1,229,696,174.43
Step by Step Solution
- Step 1: Write the proportion equation
1,163,772,090.80 : 1,746,508,441.80 = 819,398,322.80 : x - Step 2: Convert to fraction form
1,163,772,090.80/1,746,508,441.80 = 819,398,322.80/x - Step 3: Cross multiply
1,163,772,090.80x = 1,746,508,441.80 × 819,398,322.80 - Step 4: Simplify right side
1,163,772,090.80x = 1,431,086,087,966,961,408 - Step 5: Solve for x
x = 1,431,086,087,966,961,408/1,163,772,090.80 - Step 6: Final answer
x = 1,229,696,174.43
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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.