Finding the Fourth Proportional to 1,115,425,937.99, 1,672,777,693.18 and 368,273,866.47
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Solution
The fourth proportional to 1,115,425,937.99, 1,672,777,693.18 and 368,273,866.47 is: 552,291,539.79
Step by Step Solution
- Step 1: Write the proportion equation
1,115,425,937.99 : 1,672,777,693.18 = 368,273,866.47 : x - Step 2: Convert to fraction form
1,115,425,937.99/1,672,777,693.18 = 368,273,866.47/x - Step 3: Cross multiply
1,115,425,937.99x = 1,672,777,693.18 × 368,273,866.47 - Step 4: Simplify right side
1,115,425,937.99x = 616,040,308,812,120,192 - Step 5: Solve for x
x = 616,040,308,812,120,192/1,115,425,937.99 - Step 6: Final answer
x = 552,291,539.79
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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.