Finding the Fourth Proportional to 497,922,333.88, 687,119,122.51 and 274,899,962.81
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Solution
The fourth proportional to 497,922,333.88, 687,119,122.51 and 274,899,962.81 is: 379,354,385.95
Step by Step Solution
- Step 1: Write the proportion equation
497,922,333.88 : 687,119,122.51 = 274,899,962.81 : x - Step 2: Convert to fraction form
497,922,333.88/687,119,122.51 = 274,899,962.81/x - Step 3: Cross multiply
497,922,333.88x = 687,119,122.51 × 274,899,962.81 - Step 4: Simplify right side
497,922,333.88x = 188,889,021,219,916,000 - Step 5: Solve for x
x = 188,889,021,219,916,000/497,922,333.88 - Step 6: Final answer
x = 379,354,385.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.