Finding the Fourth Proportional to 352,437,698.16, 486,335,509.18 and 203,768,357.80
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Solution
The fourth proportional to 352,437,698.16, 486,335,509.18 and 203,768,357.80 is: 281,183,847.71
Step by Step Solution
- Step 1: Write the proportion equation
352,437,698.16 : 486,335,509.18 = 203,768,357.80 : x - Step 2: Convert to fraction form
352,437,698.16/486,335,509.18 = 203,768,357.80/x - Step 3: Cross multiply
352,437,698.16x = 486,335,509.18 × 203,768,357.80 - Step 4: Simplify right side
352,437,698.16x = 99,099,788,045,435,424 - Step 5: Solve for x
x = 99,099,788,045,435,424/352,437,698.16 - Step 6: Final answer
x = 281,183,847.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.