Finding the Fourth Proportional to 1,135,720,889.60, 1,704,337,161.60 and 644,433,209.60
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Solution
The fourth proportional to 1,135,720,889.60, 1,704,337,161.60 and 644,433,209.60 is: 967,078,687.51
Step by Step Solution
- Step 1: Write the proportion equation
1,135,720,889.60 : 1,704,337,161.60 = 644,433,209.60 : x - Step 2: Convert to fraction form
1,135,720,889.60/1,704,337,161.60 = 644,433,209.60/x - Step 3: Cross multiply
1,135,720,889.60x = 1,704,337,161.60 × 644,433,209.60 - Step 4: Simplify right side
1,135,720,889.60x = 1,098,331,467,290,441,856 - Step 5: Solve for x
x = 1,098,331,467,290,441,856/1,135,720,889.60 - Step 6: Final answer
x = 967,078,687.51
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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.