Finding the Fourth Proportional to 872,783,101.01, 1,204,466,190.27 and 476,331,534.63
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Solution
The fourth proportional to 872,783,101.01, 1,204,466,190.27 and 476,331,534.63 is: 657,351,440.64
Step by Step Solution
- Step 1: Write the proportion equation
872,783,101.01 : 1,204,466,190.27 = 476,331,534.63 : x - Step 2: Convert to fraction form
872,783,101.01/1,204,466,190.27 = 476,331,534.63/x - Step 3: Cross multiply
872,783,101.01x = 1,204,466,190.27 × 476,331,534.63 - Step 4: Simplify right side
872,783,101.01x = 573,725,228,819,496,256 - Step 5: Solve for x
x = 573,725,228,819,496,256/872,783,101.01 - Step 6: Final answer
x = 657,351,440.64
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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.