Finding the Fourth Proportional to 1,117,182,493.24, 1,675,820,905.14 and 330,237,946.46
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Solution
The fourth proportional to 1,117,182,493.24, 1,675,820,905.14 and 330,237,946.46 is: 495,370,861.70
Step by Step Solution
- Step 1: Write the proportion equation
1,117,182,493.24 : 1,675,820,905.14 = 330,237,946.46 : x - Step 2: Convert to fraction form
1,117,182,493.24/1,675,820,905.14 = 330,237,946.46/x - Step 3: Cross multiply
1,117,182,493.24x = 1,675,820,905.14 × 330,237,946.46 - Step 4: Simplify right side
1,117,182,493.24x = 553,419,654,348,172,032 - Step 5: Solve for x
x = 553,419,654,348,172,032/1,117,182,493.24 - Step 6: Final answer
x = 495,370,861.70
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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.