Finding the Fourth Proportional to 1,719,255,422.40, 2,578,883,133.60 and 736,514,725.20
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Solution
The fourth proportional to 1,719,255,422.40, 2,578,883,133.60 and 736,514,725.20 is: 1,104,772,087.80
Step by Step Solution
- Step 1: Write the proportion equation
1,719,255,422.40 : 2,578,883,133.60 = 736,514,725.20 : x - Step 2: Convert to fraction form
1,719,255,422.40/2,578,883,133.60 = 736,514,725.20/x - Step 3: Cross multiply
1,719,255,422.40x = 2,578,883,133.60 × 736,514,725.20 - Step 4: Simplify right side
1,719,255,422.40x = 1,899,385,402,466,318,848 - Step 5: Solve for x
x = 1,899,385,402,466,318,848/1,719,255,422.40 - Step 6: Final answer
x = 1,104,772,087.80
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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.