Finding the Fourth Proportional to 373,248,752.80, 559,873,129.20 and 256,347,479.20
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Solution
The fourth proportional to 373,248,752.80, 559,873,129.20 and 256,347,479.20 is: 384,521,218.80
Step by Step Solution
- Step 1: Write the proportion equation
373,248,752.80 : 559,873,129.20 = 256,347,479.20 : x - Step 2: Convert to fraction form
373,248,752.80/559,873,129.20 = 256,347,479.20/x - Step 3: Cross multiply
373,248,752.80x = 559,873,129.20 × 256,347,479.20 - Step 4: Simplify right side
373,248,752.80x = 143,522,065,342,235,920 - Step 5: Solve for x
x = 143,522,065,342,235,920/373,248,752.80 - Step 6: Final answer
x = 384,521,218.80
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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.