Finding the Fourth Proportional to 723,984,407.19, 1,085,986,701.05 and 206,414,848.35
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Solution
The fourth proportional to 723,984,407.19, 1,085,986,701.05 and 206,414,848.35 is: 309,625,149.36
Step by Step Solution
- Step 1: Write the proportion equation
723,984,407.19 : 1,085,986,701.05 = 206,414,848.35 : x - Step 2: Convert to fraction form
723,984,407.19/1,085,986,701.05 = 206,414,848.35/x - Step 3: Cross multiply
723,984,407.19x = 1,085,986,701.05 × 206,414,848.35 - Step 4: Simplify right side
723,984,407.19x = 224,163,780,207,352,512 - Step 5: Solve for x
x = 224,163,780,207,352,512/723,984,407.19 - Step 6: Final answer
x = 309,625,149.36
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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.