Finding the Fourth Proportional to 566,249,661.11, 781,448,776.26 and 315,354,052.05
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Solution
The fourth proportional to 566,249,661.11, 781,448,776.26 and 315,354,052.05 is: 435,202,093.69
Step by Step Solution
- Step 1: Write the proportion equation
566,249,661.11 : 781,448,776.26 = 315,354,052.05 : x - Step 2: Convert to fraction form
566,249,661.11/781,448,776.26 = 315,354,052.05/x - Step 3: Cross multiply
566,249,661.11x = 781,448,776.26 × 315,354,052.05 - Step 4: Simplify right side
566,249,661.11x = 246,433,038,063,383,584 - Step 5: Solve for x
x = 246,433,038,063,383,584/566,249,661.11 - Step 6: Final answer
x = 435,202,093.69
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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.