Finding the Fourth Proportional to 405,898,064.91, 608,648,691.92 and 283,135,193.91
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Solution
The fourth proportional to 405,898,064.91, 608,648,691.92 and 283,135,193.91 is: 424,564,392.66
Step by Step Solution
- Step 1: Write the proportion equation
405,898,064.91 : 608,648,691.92 = 283,135,193.91 : x - Step 2: Convert to fraction form
405,898,064.91/608,648,691.92 = 283,135,193.91/x - Step 3: Cross multiply
405,898,064.91x = 608,648,691.92 × 283,135,193.91 - Step 4: Simplify right side
405,898,064.91x = 172,329,865,408,421,376 - Step 5: Solve for x
x = 172,329,865,408,421,376/405,898,064.91 - Step 6: Final answer
x = 424,564,392.66
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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.