Finding the Fourth Proportional to 314,560,829.80, 471,841,244.70 and 211,768,330.60
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Solution
The fourth proportional to 314,560,829.80, 471,841,244.70 and 211,768,330.60 is: 317,652,495.90
Step by Step Solution
- Step 1: Write the proportion equation
314,560,829.80 : 471,841,244.70 = 211,768,330.60 : x - Step 2: Convert to fraction form
314,560,829.80/471,841,244.70 = 211,768,330.60/x - Step 3: Cross multiply
314,560,829.80x = 471,841,244.70 × 211,768,330.60 - Step 4: Simplify right side
314,560,829.80x = 99,921,032,698,345,088 - Step 5: Solve for x
x = 99,921,032,698,345,088/314,560,829.80 - Step 6: Final answer
x = 317,652,495.90
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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.