Finding the Fourth Proportional to 1,657,941,819,542.60, 2,288,078,105,671.60 and 916,332,701,646.95
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Solution
The fourth proportional to 1,657,941,819,542.60, 2,288,078,105,671.60 and 916,332,701,646.95 is: 1,264,604,564,186.53
Step by Step Solution
- Step 1: Write the proportion equation
1,657,941,819,542.60 : 2,288,078,105,671.60 = 916,332,701,646.95 : x - Step 2: Convert to fraction form
1,657,941,819,542.60/2,288,078,105,671.60 = 916,332,701,646.95/x - Step 3: Cross multiply
1,657,941,819,542.60x = 2,288,078,105,671.60 × 916,332,701,646.95 - Step 4: Simplify right side
1,657,941,819,542.60x = 2,096,640,792,149,292,826,492,928 - Step 5: Solve for x
x = 2,096,640,792,149,292,826,492,928/1,657,941,819,542.60 - Step 6: Final answer
x = 1,264,604,564,186.53
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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.