Finding the Fourth Proportional to 1,213,502,982.64, 1,674,622,193.88 and 656,573,809.84
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Solution
The fourth proportional to 1,213,502,982.64, 1,674,622,193.88 and 656,573,809.84 is: 906,065,407.01
Step by Step Solution
- Step 1: Write the proportion equation
1,213,502,982.64 : 1,674,622,193.88 = 656,573,809.84 : x - Step 2: Convert to fraction form
1,213,502,982.64/1,674,622,193.88 = 656,573,809.84/x - Step 3: Cross multiply
1,213,502,982.64x = 1,674,622,193.88 × 656,573,809.84 - Step 4: Simplify right side
1,213,502,982.64x = 1,099,513,073,878,410,880 - Step 5: Solve for x
x = 1,099,513,073,878,410,880/1,213,502,982.64 - Step 6: Final answer
x = 906,065,407.01
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.