Finding the Fourth Proportional to 471,596,395.42, 706,487,956.80 and 263,704,272.67
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Solution
The fourth proportional to 471,596,395.42, 706,487,956.80 and 263,704,272.67 is: 395,049,441.87
Step by Step Solution
- Step 1: Write the proportion equation
471,596,395.42 : 706,487,956.80 = 263,704,272.67 : x - Step 2: Convert to fraction form
471,596,395.42/706,487,956.80 = 263,704,272.67/x - Step 3: Cross multiply
471,596,395.42x = 706,487,956.80 × 263,704,272.67 - Step 4: Simplify right side
471,596,395.42x = 186,303,892,798,058,368 - Step 5: Solve for x
x = 186,303,892,798,058,368/471,596,395.42 - Step 6: Final answer
x = 395,049,441.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.