Finding the Fourth Proportional to 565,055,207.70, 779,819,817.69 and 339,002,667.99
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Solution
The fourth proportional to 565,055,207.70, 779,819,817.69 and 339,002,667.99 is: 467,849,858.11
Step by Step Solution
- Step 1: Write the proportion equation
565,055,207.70 : 779,819,817.69 = 339,002,667.99 : x - Step 2: Convert to fraction form
565,055,207.70/779,819,817.69 = 339,002,667.99/x - Step 3: Cross multiply
565,055,207.70x = 779,819,817.69 × 339,002,667.99 - Step 4: Simplify right side
565,055,207.70x = 264,360,998,748,385,440 - Step 5: Solve for x
x = 264,360,998,748,385,440/565,055,207.70 - Step 6: Final answer
x = 467,849,858.11
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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.