Finding the Fourth Proportional to 1,624,246,727.42, 2,241,463,325.20 and 881,691,293.18
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Solution
The fourth proportional to 1,624,246,727.42, 2,241,463,325.20 and 881,691,293.18 is: 1,216,735,526.97
Step by Step Solution
- Step 1: Write the proportion equation
1,624,246,727.42 : 2,241,463,325.20 = 881,691,293.18 : x - Step 2: Convert to fraction form
1,624,246,727.42/2,241,463,325.20 = 881,691,293.18/x - Step 3: Cross multiply
1,624,246,727.42x = 2,241,463,325.20 × 881,691,293.18 - Step 4: Simplify right side
1,624,246,727.42x = 1,976,278,697,811,130,624 - Step 5: Solve for x
x = 1,976,278,697,811,130,624/1,624,246,727.42 - Step 6: Final answer
x = 1,216,735,526.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.