Finding the Fourth Proportional to 3,929,598,963.16, 5,425,293,903.42 and 2,501,475,869.88
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Solution
The fourth proportional to 3,929,598,963.16, 5,425,293,903.42 and 2,501,475,869.88 is: 3,453,594,606.89
Step by Step Solution
- Step 1: Write the proportion equation
3,929,598,963.16 : 5,425,293,903.42 = 2,501,475,869.88 : x - Step 2: Convert to fraction form
3,929,598,963.16/5,425,293,903.42 = 2,501,475,869.88/x - Step 3: Cross multiply
3,929,598,963.16x = 5,425,293,903.42 × 2,501,475,869.88 - Step 4: Simplify right side
3,929,598,963.16x = 13,571,241,786,412,206,080 - Step 5: Solve for x
x = 13,571,241,786,412,206,080/3,929,598,963.16 - Step 6: Final answer
x = 3,453,594,606.89
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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.