Finding the Fourth Proportional to 485,102,259.88, 727,575,241.02 and 135,357,375.40
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Solution
The fourth proportional to 485,102,259.88, 727,575,241.02 and 135,357,375.40 is: 203,014,257.35
Step by Step Solution
- Step 1: Write the proportion equation
485,102,259.88 : 727,575,241.02 = 135,357,375.40 : x - Step 2: Convert to fraction form
485,102,259.88/727,575,241.02 = 135,357,375.40/x - Step 3: Cross multiply
485,102,259.88x = 727,575,241.02 × 135,357,375.40 - Step 4: Simplify right side
485,102,259.88x = 98,482,675,030,489,616 - Step 5: Solve for x
x = 98,482,675,030,489,616/485,102,259.88 - Step 6: Final answer
x = 203,014,257.35
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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.