Finding the Fourth Proportional to 770,364,029.97, 1,063,104,400.08 and 417,940,009.74
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Solution
The fourth proportional to 770,364,029.97, 1,063,104,400.08 and 417,940,009.74 is: 576,758,319.49
Step by Step Solution
- Step 1: Write the proportion equation
770,364,029.97 : 1,063,104,400.08 = 417,940,009.74 : x - Step 2: Convert to fraction form
770,364,029.97/1,063,104,400.08 = 417,940,009.74/x - Step 3: Cross multiply
770,364,029.97x = 1,063,104,400.08 × 417,940,009.74 - Step 4: Simplify right side
770,364,029.97x = 444,313,863,324,072,064 - Step 5: Solve for x
x = 444,313,863,324,072,064/770,364,029.97 - Step 6: Final answer
x = 576,758,319.49
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1.5x scale
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.