Finding the Fourth Proportional to 1,444,931,929.92, 1,994,004,514.08 and 784,882,701.12
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Solution
The fourth proportional to 1,444,931,929.92, 1,994,004,514.08 and 784,882,701.12 is: 1,083,137,286.02
Step by Step Solution
- Step 1: Write the proportion equation
1,444,931,929.92 : 1,994,004,514.08 = 784,882,701.12 : x - Step 2: Convert to fraction form
1,444,931,929.92/1,994,004,514.08 = 784,882,701.12/x - Step 3: Cross multiply
1,444,931,929.92x = 1,994,004,514.08 × 784,882,701.12 - Step 4: Simplify right side
1,444,931,929.92x = 1,565,059,649,056,583,424 - Step 5: Solve for x
x = 1,565,059,649,056,583,424/1,444,931,929.92 - Step 6: Final answer
x = 1,083,137,286.02
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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.