Finding the Fourth Proportional to 351,829,040.09, 485,514,831.27 and 193,058,675.28
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Solution
The fourth proportional to 351,829,040.09, 485,514,831.27 and 193,058,675.28 is: 266,415,899.41
Step by Step Solution
- Step 1: Write the proportion equation
351,829,040.09 : 485,514,831.27 = 193,058,675.28 : x - Step 2: Convert to fraction form
351,829,040.09/485,514,831.27 = 193,058,675.28/x - Step 3: Cross multiply
351,829,040.09x = 485,514,831.27 × 193,058,675.28 - Step 4: Simplify right side
351,829,040.09x = 93,732,850,153,778,912 - Step 5: Solve for x
x = 93,732,850,153,778,912/351,829,040.09 - Step 6: Final answer
x = 266,415,899.41
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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.