Finding the Fourth Proportional to 3,186,460,582.20, 4,779,690,873.30 and 1,808,965,510.20
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Solution
The fourth proportional to 3,186,460,582.20, 4,779,690,873.30 and 1,808,965,510.20 is: 2,713,448,265.30
Step by Step Solution
- Step 1: Write the proportion equation
3,186,460,582.20 : 4,779,690,873.30 = 1,808,965,510.20 : x - Step 2: Convert to fraction form
3,186,460,582.20/4,779,690,873.30 = 1,808,965,510.20/x - Step 3: Cross multiply
3,186,460,582.20x = 4,779,690,873.30 × 1,808,965,510.20 - Step 4: Simplify right side
3,186,460,582.20x = 8,646,295,939,217,418,240 - Step 5: Solve for x
x = 8,646,295,939,217,418,240/3,186,460,582.20 - Step 6: Final answer
x = 2,713,448,265.30
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1.5x scale
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.