Finding the Fourth Proportional to 471,920,252.42, 707,882,617.74 and 144,395,243.12
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Solution
The fourth proportional to 471,920,252.42, 707,882,617.74 and 144,395,243.12 is: 216,593,549.79
Step by Step Solution
- Step 1: Write the proportion equation
471,920,252.42 : 707,882,617.74 = 144,395,243.12 : x - Step 2: Convert to fraction form
471,920,252.42/707,882,617.74 = 144,395,243.12/x - Step 3: Cross multiply
471,920,252.42x = 707,882,617.74 × 144,395,243.12 - Step 4: Simplify right side
471,920,252.42x = 102,214,882,688,989,328 - Step 5: Solve for x
x = 102,214,882,688,989,328/471,920,252.42 - Step 6: Final answer
x = 216,593,549.79
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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.