Finding the Fourth Proportional to 1,873,816,720.64, 2,811,312,488.64 and 1,127,646,664.64
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Solution
The fourth proportional to 1,873,816,720.64, 2,811,312,488.64 and 1,127,646,664.64 is: 1,691,823,493.81
Step by Step Solution
- Step 1: Write the proportion equation
1,873,816,720.64 : 2,811,312,488.64 = 1,127,646,664.64 : x - Step 2: Convert to fraction form
1,873,816,720.64/2,811,312,488.64 = 1,127,646,664.64/x - Step 3: Cross multiply
1,873,816,720.64x = 2,811,312,488.64 × 1,127,646,664.64 - Step 4: Simplify right side
1,873,816,720.64x = 3,170,167,151,075,674,112 - Step 5: Solve for x
x = 3,170,167,151,075,674,112/1,873,816,720.64 - Step 6: Final answer
x = 1,691,823,493.81
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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.