Finding the Fourth Proportional to 383,817,396.74, 575,727,773.64 and 121,503,228.53
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Solution
The fourth proportional to 383,817,396.74, 575,727,773.64 and 121,503,228.53 is: 182,255,374.15
Step by Step Solution
- Step 1: Write the proportion equation
383,817,396.74 : 575,727,773.64 = 121,503,228.53 : x - Step 2: Convert to fraction form
383,817,396.74/575,727,773.64 = 121,503,228.53/x - Step 3: Cross multiply
383,817,396.74x = 575,727,773.64 × 121,503,228.53 - Step 4: Simplify right side
383,817,396.74x = 69,952,783,248,770,392 - Step 5: Solve for x
x = 69,952,783,248,770,392/383,817,396.74 - Step 6: Final answer
x = 182,255,374.15
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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.