Finding the Fourth Proportional to 538,759,529.20, 806,121,421.80 and 383,671,874.80
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Solution
The fourth proportional to 538,759,529.20, 806,121,421.80 and 383,671,874.80 is: 574,070,806.09
Step by Step Solution
- Step 1: Write the proportion equation
538,759,529.20 : 806,121,421.80 = 383,671,874.80 : x - Step 2: Convert to fraction form
538,759,529.20/806,121,421.80 = 383,671,874.80/x - Step 3: Cross multiply
538,759,529.20x = 806,121,421.80 × 383,671,874.80 - Step 4: Simplify right side
538,759,529.20x = 309,286,117,218,447,552 - Step 5: Solve for x
x = 309,286,117,218,447,552/538,759,529.20 - Step 6: Final answer
x = 574,070,806.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.