Finding the Fourth Proportional to 354,201,850.36, 488,738,017.11 and 205,488,881.40
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Solution
The fourth proportional to 354,201,850.36, 488,738,017.11 and 205,488,881.40 is: 283,539,536.38
Step by Step Solution
- Step 1: Write the proportion equation
354,201,850.36 : 488,738,017.11 = 205,488,881.40 : x - Step 2: Convert to fraction form
354,201,850.36/488,738,017.11 = 205,488,881.40/x - Step 3: Cross multiply
354,201,850.36x = 488,738,017.11 × 205,488,881.40 - Step 4: Simplify right side
354,201,850.36x = 100,430,228,434,081,264 - Step 5: Solve for x
x = 100,430,228,434,081,264/354,201,850.36 - Step 6: Final answer
x = 283,539,536.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.