Finding the Fourth Proportional to 384,336,221.55, 576,385,096.47 and 138,660,919.12
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Solution
The fourth proportional to 384,336,221.55, 576,385,096.47 and 138,660,919.12 is: 207,948,360.74
Step by Step Solution
- Step 1: Write the proportion equation
384,336,221.55 : 576,385,096.47 = 138,660,919.12 : x - Step 2: Convert to fraction form
384,336,221.55/576,385,096.47 = 138,660,919.12/x - Step 3: Cross multiply
384,336,221.55x = 576,385,096.47 × 138,660,919.12 - Step 4: Simplify right side
384,336,221.55x = 79,922,087,243,600,080 - Step 5: Solve for x
x = 79,922,087,243,600,080/384,336,221.55 - Step 6: Final answer
x = 207,948,360.74
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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.