Finding the Fourth Proportional to 455,201,961.19, 683,075,342.94 and 196,417,181.42
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Solution
The fourth proportional to 455,201,961.19, 683,075,342.94 and 196,417,181.42 is: 294,743,311.76
Step by Step Solution
- Step 1: Write the proportion equation
455,201,961.19 : 683,075,342.94 = 196,417,181.42 : x - Step 2: Convert to fraction form
455,201,961.19/683,075,342.94 = 196,417,181.42/x - Step 3: Cross multiply
455,201,961.19x = 683,075,342.94 × 196,417,181.42 - Step 4: Simplify right side
455,201,961.19x = 134,167,733,560,302,080 - Step 5: Solve for x
x = 134,167,733,560,302,080/455,201,961.19 - Step 6: Final answer
x = 294,743,311.76
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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.