Finding the Fourth Proportional to 1,417,179,686.40, 2,125,769,529.60 and 866,181,657.60
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Solution
The fourth proportional to 1,417,179,686.40, 2,125,769,529.60 and 866,181,657.60 is: 1,299,272,486.40
Step by Step Solution
- Step 1: Write the proportion equation
1,417,179,686.40 : 2,125,769,529.60 = 866,181,657.60 : x - Step 2: Convert to fraction form
1,417,179,686.40/2,125,769,529.60 = 866,181,657.60/x - Step 3: Cross multiply
1,417,179,686.40x = 2,125,769,529.60 × 866,181,657.60 - Step 4: Simplify right side
1,417,179,686.40x = 1,841,302,574,824,500,224 - Step 5: Solve for x
x = 1,841,302,574,824,500,224/1,417,179,686.40 - Step 6: Final answer
x = 1,299,272,486.40
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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.