Finding the Fourth Proportional to 471,036,009.11, 706,659,393.11 and 143,537,153.63
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Solution
The fourth proportional to 471,036,009.11, 706,659,393.11 and 143,537,153.63 is: 215,337,842.35
Step by Step Solution
- Step 1: Write the proportion equation
471,036,009.11 : 706,659,393.11 = 143,537,153.63 : x - Step 2: Convert to fraction form
471,036,009.11/706,659,393.11 = 143,537,153.63/x - Step 3: Cross multiply
471,036,009.11x = 706,659,393.11 × 143,537,153.63 - Step 4: Simplify right side
471,036,009.11x = 101,431,877,868,661,648 - Step 5: Solve for x
x = 101,431,877,868,661,648/471,036,009.11 - Step 6: Final answer
x = 215,337,842.35
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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.