Finding the Fourth Proportional to 405,897,880.41, 608,648,415.17 and 283,135,009.41
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Solution
The fourth proportional to 405,897,880.41, 608,648,415.17 and 283,135,009.41 is: 424,564,115.93
Step by Step Solution
- Step 1: Write the proportion equation
405,897,880.41 : 608,648,415.17 = 283,135,009.41 : x - Step 2: Convert to fraction form
405,897,880.41/608,648,415.17 = 283,135,009.41/x - Step 3: Cross multiply
405,897,880.41x = 608,648,415.17 × 283,135,009.41 - Step 4: Simplify right side
405,897,880.41x = 172,329,674,755,123,872 - Step 5: Solve for x
x = 172,329,674,755,123,872/405,897,880.41 - Step 6: Final answer
x = 424,564,115.93
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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.