Finding the Fourth Proportional to 3,424,425,657.42, 4,725,731,593.71 and 1,859,863,353.42
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Solution
The fourth proportional to 3,424,425,657.42, 4,725,731,593.71 and 1,859,863,353.42 is: 2,566,624,563.80
Step by Step Solution
- Step 1: Write the proportion equation
3,424,425,657.42 : 4,725,731,593.71 = 1,859,863,353.42 : x - Step 2: Convert to fraction form
3,424,425,657.42/4,725,731,593.71 = 1,859,863,353.42/x - Step 3: Cross multiply
3,424,425,657.42x = 4,725,731,593.71 × 1,859,863,353.42 - Step 4: Simplify right side
3,424,425,657.42x = 8,789,215,009,240,322,048 - Step 5: Solve for x
x = 8,789,215,009,240,322,048/3,424,425,657.42 - Step 6: Final answer
x = 2,566,624,563.80
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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.