Finding the Fourth Proportional to 471,569,237.10, 707,353,855.65 and 299,382,353.10
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Solution
The fourth proportional to 471,569,237.10, 707,353,855.65 and 299,382,353.10 is: 449,073,529.65
Step by Step Solution
- Step 1: Write the proportion equation
471,569,237.10 : 707,353,855.65 = 299,382,353.10 : x - Step 2: Convert to fraction form
471,569,237.10/707,353,855.65 = 299,382,353.10/x - Step 3: Cross multiply
471,569,237.10x = 707,353,855.65 × 299,382,353.10 - Step 4: Simplify right side
471,569,237.10x = 211,769,261,778,854,752 - Step 5: Solve for x
x = 211,769,261,778,854,752/471,569,237.10 - Step 6: Final answer
x = 449,073,529.65
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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.