Finding the Fourth Proportional to 455,583,387.29, 683,623,860.09 and 193,227,129.14
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Solution
The fourth proportional to 455,583,387.29, 683,623,860.09 and 193,227,129.14 is: 289,946,208.71
Step by Step Solution
- Step 1: Write the proportion equation
455,583,387.29 : 683,623,860.09 = 193,227,129.14 : x - Step 2: Convert to fraction form
455,583,387.29/683,623,860.09 = 193,227,129.14/x - Step 3: Cross multiply
455,583,387.29x = 683,623,860.09 × 193,227,129.14 - Step 4: Simplify right side
455,583,387.29x = 132,094,675,895,829,584 - Step 5: Solve for x
x = 132,094,675,895,829,584/455,583,387.29 - Step 6: Final answer
x = 289,946,208.71
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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.