Finding the Fourth Proportional to 1,417,177,653.60, 2,125,766,480.40 and 496,721,841.60
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Solution
The fourth proportional to 1,417,177,653.60, 2,125,766,480.40 and 496,721,841.60 is: 745,082,762.40
Step by Step Solution
- Step 1: Write the proportion equation
1,417,177,653.60 : 2,125,766,480.40 = 496,721,841.60 : x - Step 2: Convert to fraction form
1,417,177,653.60/2,125,766,480.40 = 496,721,841.60/x - Step 3: Cross multiply
1,417,177,653.60x = 2,125,766,480.40 × 496,721,841.60 - Step 4: Simplify right side
1,417,177,653.60x = 1,055,914,640,955,838,464 - Step 5: Solve for x
x = 1,055,914,640,955,838,464/1,417,177,653.60 - Step 6: Final answer
x = 745,082,762.40
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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.