Finding the Fourth Proportional to 495,238,764.84, 683,414,724.02 and 283,538,571.80
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Solution
The fourth proportional to 495,238,764.84, 683,414,724.02 and 283,538,571.80 is: 391,274,771.99
Step by Step Solution
- Step 1: Write the proportion equation
495,238,764.84 : 683,414,724.02 = 283,538,571.80 : x - Step 2: Convert to fraction form
495,238,764.84/683,414,724.02 = 283,538,571.80/x - Step 3: Cross multiply
495,238,764.84x = 683,414,724.02 × 283,538,571.80 - Step 4: Simplify right side
495,238,764.84x = 193,774,434,795,721,952 - Step 5: Solve for x
x = 193,774,434,795,721,952/495,238,764.84 - Step 6: Final answer
x = 391,274,771.99
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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.