Finding the Fourth Proportional to 495,238,765.84, 683,414,725.40 and 283,538,572.80
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Solution
The fourth proportional to 495,238,765.84, 683,414,725.40 and 283,538,572.80 is: 391,274,773.37
Step by Step Solution
- Step 1: Write the proportion equation
495,238,765.84 : 683,414,725.40 = 283,538,572.80 : x - Step 2: Convert to fraction form
495,238,765.84/683,414,725.40 = 283,538,572.80/x - Step 3: Cross multiply
495,238,765.84x = 683,414,725.40 × 283,538,572.80 - Step 4: Simplify right side
495,238,765.84x = 193,774,435,870,419,904 - Step 5: Solve for x
x = 193,774,435,870,419,904/495,238,765.84 - Step 6: Final answer
x = 391,274,773.37
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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.