Finding the Fourth Proportional to 2,472,394,752,203.20, 3,708,592,128,304.80 and 707,749,871,819.20
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Solution
The fourth proportional to 2,472,394,752,203.20, 3,708,592,128,304.80 and 707,749,871,819.20 is: 1,061,624,807,728.80
Step by Step Solution
- Step 1: Write the proportion equation
2,472,394,752,203.20 : 3,708,592,128,304.80 = 707,749,871,819.20 : x - Step 2: Convert to fraction form
2,472,394,752,203.20/3,708,592,128,304.80 = 707,749,871,819.20/x - Step 3: Cross multiply
2,472,394,752,203.20x = 3,708,592,128,304.80 × 707,749,871,819.20 - Step 4: Simplify right side
2,472,394,752,203.20x = 2,624,755,603,437,415,785,562,112 - Step 5: Solve for x
x = 2,624,755,603,437,415,785,562,112/2,472,394,752,203.20 - Step 6: Final answer
x = 1,061,624,807,728.80
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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.