Finding the Fourth Proportional to 420,031,804.60, 629,858,750.10 and 161,160,988.60
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Solution
The fourth proportional to 420,031,804.60, 629,858,750.10 and 161,160,988.60 is: 241,668,982.52
Step by Step Solution
- Step 1: Write the proportion equation
420,031,804.60 : 629,858,750.10 = 161,160,988.60 : x - Step 2: Convert to fraction form
420,031,804.60/629,858,750.10 = 161,160,988.60/x - Step 3: Cross multiply
420,031,804.60x = 629,858,750.10 × 161,160,988.60 - Step 4: Simplify right side
420,031,804.60x = 101,508,658,844,476,352 - Step 5: Solve for x
x = 101,508,658,844,476,352/420,031,804.60 - Step 6: Final answer
x = 241,668,982.52
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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.