Finding the Fourth Proportional to 592,558,901.38, 818,014,840.41 and 394,649,748.10
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Solution
The fourth proportional to 592,558,901.38, 818,014,840.41 and 394,649,748.10 is: 544,805,503.65
Step by Step Solution
- Step 1: Write the proportion equation
592,558,901.38 : 818,014,840.41 = 394,649,748.10 : x - Step 2: Convert to fraction form
592,558,901.38/818,014,840.41 = 394,649,748.10/x - Step 3: Cross multiply
592,558,901.38x = 818,014,840.41 × 394,649,748.10 - Step 4: Simplify right side
592,558,901.38x = 322,829,350,709,868,224 - Step 5: Solve for x
x = 322,829,350,709,868,224/592,558,901.38 - Step 6: Final answer
x = 544,805,503.65
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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.