Finding the Fourth Proportional to 1,115,425,938.99, 1,672,777,694.68 and 368,273,867.47
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Solution
The fourth proportional to 1,115,425,938.99, 1,672,777,694.68 and 368,273,867.47 is: 552,291,541.29
Step by Step Solution
- Step 1: Write the proportion equation
1,115,425,938.99 : 1,672,777,694.68 = 368,273,867.47 : x - Step 2: Convert to fraction form
1,115,425,938.99/1,672,777,694.68 = 368,273,867.47/x - Step 3: Cross multiply
1,115,425,938.99x = 1,672,777,694.68 × 368,273,867.47 - Step 4: Simplify right side
1,115,425,938.99x = 616,040,311,037,354,496 - Step 5: Solve for x
x = 616,040,311,037,354,496/1,115,425,938.99 - Step 6: Final answer
x = 552,291,541.29
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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.