Finding the Fourth Proportional to 1,513,477,007.21, 2,269,125,958.14 and 930,005,768.18
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Solution
The fourth proportional to 1,513,477,007.21, 2,269,125,958.14 and 930,005,768.18 is: 1,394,339,140.76
Step by Step Solution
- Step 1: Write the proportion equation
1,513,477,007.21 : 2,269,125,958.14 = 930,005,768.18 : x - Step 2: Convert to fraction form
1,513,477,007.21/2,269,125,958.14 = 930,005,768.18/x - Step 3: Cross multiply
1,513,477,007.21x = 2,269,125,958.14 × 930,005,768.18 - Step 4: Simplify right side
1,513,477,007.21x = 2,110,300,229,797,168,896 - Step 5: Solve for x
x = 2,110,300,229,797,168,896/1,513,477,007.21 - Step 6: Final answer
x = 1,394,339,140.76
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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.