Finding the Fourth Proportional to 1,810,842,060.40, 2,716,263,090.60 and 646,348,541.20
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Solution
The fourth proportional to 1,810,842,060.40, 2,716,263,090.60 and 646,348,541.20 is: 969,522,811.80
Step by Step Solution
- Step 1: Write the proportion equation
1,810,842,060.40 : 2,716,263,090.60 = 646,348,541.20 : x - Step 2: Convert to fraction form
1,810,842,060.40/2,716,263,090.60 = 646,348,541.20/x - Step 3: Cross multiply
1,810,842,060.40x = 2,716,263,090.60 × 646,348,541.20 - Step 4: Simplify right side
1,810,842,060.40x = 1,755,652,686,124,713,472 - Step 5: Solve for x
x = 1,755,652,686,124,713,472/1,810,842,060.40 - Step 6: Final answer
x = 969,522,811.80
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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.