Finding the Fourth Proportional to 1,147,408,603.19, 1,721,464,157.00 and 587,566,821.21
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Solution
The fourth proportional to 1,147,408,603.19, 1,721,464,157.00 and 587,566,821.21 is: 881,530,101.60
Step by Step Solution
- Step 1: Write the proportion equation
1,147,408,603.19 : 1,721,464,157.00 = 587,566,821.21 : x - Step 2: Convert to fraction form
1,147,408,603.19/1,721,464,157.00 = 587,566,821.21/x - Step 3: Cross multiply
1,147,408,603.19x = 1,721,464,157.00 × 587,566,821.21 - Step 4: Simplify right side
1,147,408,603.19x = 1,011,475,222,552,504,576 - Step 5: Solve for x
x = 1,011,475,222,552,504,576/1,147,408,603.19 - Step 6: Final answer
x = 881,530,101.60
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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.