Finding the Fourth Proportional to 549,122,998.05, 757,836,473.03 and 311,010,540.88
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Solution
The fourth proportional to 549,122,998.05, 757,836,473.03 and 311,010,540.88 is: 429,221,016.45
Step by Step Solution
- Step 1: Write the proportion equation
549,122,998.05 : 757,836,473.03 = 311,010,540.88 : x - Step 2: Convert to fraction form
549,122,998.05/757,836,473.03 = 311,010,540.88/x - Step 3: Cross multiply
549,122,998.05x = 757,836,473.03 × 311,010,540.88 - Step 4: Simplify right side
549,122,998.05x = 235,695,131,376,210,368 - Step 5: Solve for x
x = 235,695,131,376,210,368/549,122,998.05 - Step 6: Final answer
x = 429,221,016.45
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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.