Finding the Fourth Proportional to 381,476,360.95, 571,448,386.56 and 173,929,274.99
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Solution
The fourth proportional to 381,476,360.95, 571,448,386.56 and 173,929,274.99 is: 260,544,593.96
Step by Step Solution
- Step 1: Write the proportion equation
381,476,360.95 : 571,448,386.56 = 173,929,274.99 : x - Step 2: Convert to fraction form
381,476,360.95/571,448,386.56 = 173,929,274.99/x - Step 3: Cross multiply
381,476,360.95x = 571,448,386.56 × 173,929,274.99 - Step 4: Simplify right side
381,476,360.95x = 99,391,603,570,014,672 - Step 5: Solve for x
x = 99,391,603,570,014,672/381,476,360.95 - Step 6: Final answer
x = 260,544,593.96
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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.