Finding the Fourth Proportional to 1,417,177,687.60, 2,125,766,531.40 and 727,154,693.20
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Solution
The fourth proportional to 1,417,177,687.60, 2,125,766,531.40 and 727,154,693.20 is: 1,090,732,039.80
Step by Step Solution
- Step 1: Write the proportion equation
1,417,177,687.60 : 2,125,766,531.40 = 727,154,693.20 : x - Step 2: Convert to fraction form
1,417,177,687.60/2,125,766,531.40 = 727,154,693.20/x - Step 3: Cross multiply
1,417,177,687.60x = 2,125,766,531.40 × 727,154,693.20 - Step 4: Simplify right side
1,417,177,687.60x = 1,545,761,109,954,995,456 - Step 5: Solve for x
x = 1,545,761,109,954,995,456/1,417,177,687.60 - Step 6: Final answer
x = 1,090,732,039.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.