Finding the Fourth Proportional to 2,829,697,228.80, 4,240,514,764.80 and 2,086,971,033.60
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Solution
The fourth proportional to 2,829,697,228.80, 4,240,514,764.80 and 2,086,971,033.60 is: 3,127,483,531.32
Step by Step Solution
- Step 1: Write the proportion equation
2,829,697,228.80 : 4,240,514,764.80 = 2,086,971,033.60 : x - Step 2: Convert to fraction form
2,829,697,228.80/4,240,514,764.80 = 2,086,971,033.60/x - Step 3: Cross multiply
2,829,697,228.80x = 4,240,514,764.80 × 2,086,971,033.60 - Step 4: Simplify right side
2,829,697,228.80x = 8,849,831,481,690,717,184 - Step 5: Solve for x
x = 8,849,831,481,690,717,184/2,829,697,228.80 - Step 6: Final answer
x = 3,127,483,531.32
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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.