Finding the Fourth Proportional to 508,187,829.60, 762,848,614.80 and 474,884,193.60
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Solution
The fourth proportional to 508,187,829.60, 762,848,614.80 and 474,884,193.60 is: 712,856,011.45
Step by Step Solution
- Step 1: Write the proportion equation
508,187,829.60 : 762,848,614.80 = 474,884,193.60 : x - Step 2: Convert to fraction form
508,187,829.60/762,848,614.80 = 474,884,193.60/x - Step 3: Cross multiply
508,187,829.60x = 762,848,614.80 × 474,884,193.60 - Step 4: Simplify right side
508,187,829.60x = 362,264,749,278,175,040 - Step 5: Solve for x
x = 362,264,749,278,175,040/508,187,829.60 - Step 6: Final answer
x = 712,856,011.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.