Finding the Fourth Proportional to 3,424,425,609.80, 4,725,731,528.00 and 1,859,863,305.80
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Solution
The fourth proportional to 3,424,425,609.80, 4,725,731,528.00 and 1,859,863,305.80 is: 2,566,624,498.08
Step by Step Solution
- Step 1: Write the proportion equation
3,424,425,609.80 : 4,725,731,528.00 = 1,859,863,305.80 : x - Step 2: Convert to fraction form
3,424,425,609.80/4,725,731,528.00 = 1,859,863,305.80/x - Step 3: Cross multiply
3,424,425,609.80x = 4,725,731,528.00 × 1,859,863,305.80 - Step 4: Simplify right side
3,424,425,609.80x = 8,789,214,661,956,436,992 - Step 5: Solve for x
x = 8,789,214,661,956,436,992/3,424,425,609.80 - Step 6: Final answer
x = 2,566,624,498.08
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1.5x scale
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.