Finding the Fourth Proportional to 824,636,624.29, 1,136,930,405.47 and 534,107,796.84
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Solution
The fourth proportional to 824,636,624.29, 1,136,930,405.47 and 534,107,796.84 is: 736,376,940.02
Step by Step Solution
- Step 1: Write the proportion equation
824,636,624.29 : 1,136,930,405.47 = 534,107,796.84 : x - Step 2: Convert to fraction form
824,636,624.29/1,136,930,405.47 = 534,107,796.84/x - Step 3: Cross multiply
824,636,624.29x = 1,136,930,405.47 × 534,107,796.84 - Step 4: Simplify right side
824,636,624.29x = 607,243,394,024,654,208 - Step 5: Solve for x
x = 607,243,394,024,654,208/824,636,624.29 - Step 6: Final answer
x = 736,376,940.02
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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.