Finding the Fourth Proportional to 1,193,482,402.20, 1,646,931,505.21 and 657,604,078.88
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Solution
The fourth proportional to 1,193,482,402.20, 1,646,931,505.21 and 657,604,078.88 is: 907,452,739.53
Step by Step Solution
- Step 1: Write the proportion equation
1,193,482,402.20 : 1,646,931,505.21 = 657,604,078.88 : x - Step 2: Convert to fraction form
1,193,482,402.20/1,646,931,505.21 = 657,604,078.88/x - Step 3: Cross multiply
1,193,482,402.20x = 1,646,931,505.21 × 657,604,078.88 - Step 4: Simplify right side
1,193,482,402.20x = 1,083,028,875,452,195,328 - Step 5: Solve for x
x = 1,083,028,875,452,195,328/1,193,482,402.20 - Step 6: Final answer
x = 907,452,739.53
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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.