Finding the Fourth Proportional to 679,643,832,582.62, 937,908,580,769.61 and 375,149,546,026.10
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Solution
The fourth proportional to 679,643,832,582.62, 937,908,580,769.61 and 375,149,546,026.10 is: 517,706,424,190.84
Step by Step Solution
- Step 1: Write the proportion equation
679,643,832,582.62 : 937,908,580,769.61 = 375,149,546,026.10 : x - Step 2: Convert to fraction form
679,643,832,582.62/937,908,580,769.61 = 375,149,546,026.10/x - Step 3: Cross multiply
679,643,832,582.62x = 937,908,580,769.61 × 375,149,546,026.10 - Step 4: Simplify right side
679,643,832,582.62x = 351,855,978,289,702,880,935,936 - Step 5: Solve for x
x = 351,855,978,289,702,880,935,936/679,643,832,582.62 - Step 6: Final answer
x = 517,706,424,190.84
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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.