Finding the Fourth Proportional to 447,681,447.05, 617,801,678.21 and 259,546,317.53
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Solution
The fourth proportional to 447,681,447.05, 617,801,678.21 and 259,546,317.53 is: 358,174,661.02
Step by Step Solution
- Step 1: Write the proportion equation
447,681,447.05 : 617,801,678.21 = 259,546,317.53 : x - Step 2: Convert to fraction form
447,681,447.05/617,801,678.21 = 259,546,317.53/x - Step 3: Cross multiply
447,681,447.05x = 617,801,678.21 × 259,546,317.53 - Step 4: Simplify right side
447,681,447.05x = 160,348,150,540,819,392 - Step 5: Solve for x
x = 160,348,150,540,819,392/447,681,447.05 - Step 6: Final answer
x = 358,174,661.02
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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.