Finding the Fourth Proportional to 313,125,729.48, 432,123,391.49 and 187,636,566.15
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Solution
The fourth proportional to 313,125,729.48, 432,123,391.49 and 187,636,566.15 is: 258,944,384.63
Step by Step Solution
- Step 1: Write the proportion equation
313,125,729.48 : 432,123,391.49 = 187,636,566.15 : x - Step 2: Convert to fraction form
313,125,729.48/432,123,391.49 = 187,636,566.15/x - Step 3: Cross multiply
313,125,729.48x = 432,123,391.49 × 187,636,566.15 - Step 4: Simplify right side
313,125,729.48x = 81,082,149,331,337,552 - Step 5: Solve for x
x = 81,082,149,331,337,552/313,125,729.48 - Step 6: Final answer
x = 258,944,384.63
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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.