Finding the Fourth Proportional to 2,486,658,732.49, 3,431,571,283.85 and 1,357,628,458.82
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Solution
The fourth proportional to 2,486,658,732.49, 3,431,571,283.85 and 1,357,628,458.82 is: 1,873,517,573.02
Step by Step Solution
- Step 1: Write the proportion equation
2,486,658,732.49 : 3,431,571,283.85 = 1,357,628,458.82 : x - Step 2: Convert to fraction form
2,486,658,732.49/3,431,571,283.85 = 1,357,628,458.82/x - Step 3: Cross multiply
2,486,658,732.49x = 3,431,571,283.85 × 1,357,628,458.82 - Step 4: Simplify right side
2,486,658,732.49x = 4,658,798,833,424,243,712 - Step 5: Solve for x
x = 4,658,798,833,424,243,712/2,486,658,732.49 - Step 6: Final answer
x = 1,873,517,573.02
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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.