Finding the Fourth Proportional to 513,113,026.52, 769,591,772.89 and 139,650,014.99
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Solution
The fourth proportional to 513,113,026.52, 769,591,772.89 and 139,650,014.99 is: 209,453,857.27
Step by Step Solution
- Step 1: Write the proportion equation
513,113,026.52 : 769,591,772.89 = 139,650,014.99 : x - Step 2: Convert to fraction form
513,113,026.52/769,591,772.89 = 139,650,014.99/x - Step 3: Cross multiply
513,113,026.52x = 769,591,772.89 × 139,650,014.99 - Step 4: Simplify right side
513,113,026.52x = 107,473,502,621,844,048 - Step 5: Solve for x
x = 107,473,502,621,844,048/513,113,026.52 - Step 6: Final answer
x = 209,453,857.27
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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.