Finding the Fourth Proportional to 2,342,438,749.07, 3,513,534,374.73 and 768,338,708.69
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Solution
The fourth proportional to 2,342,438,749.07, 3,513,534,374.73 and 768,338,708.69 is: 1,152,467,472.41
Step by Step Solution
- Step 1: Write the proportion equation
2,342,438,749.07 : 3,513,534,374.73 = 768,338,708.69 : x - Step 2: Convert to fraction form
2,342,438,749.07/3,513,534,374.73 = 768,338,708.69/x - Step 3: Cross multiply
2,342,438,749.07x = 3,513,534,374.73 × 768,338,708.69 - Step 4: Simplify right side
2,342,438,749.07x = 2,699,584,464,412,149,760 - Step 5: Solve for x
x = 2,699,584,464,412,149,760/2,342,438,749.07 - Step 6: Final answer
x = 1,152,467,472.41
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1.5x scale
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.