Finding the Fourth Proportional to 430,877,550.28, 647,272,919.34 and 267,236,237.80
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Solution
The fourth proportional to 430,877,550.28, 647,272,919.34 and 267,236,237.80 is: 401,447,649.53
Step by Step Solution
- Step 1: Write the proportion equation
430,877,550.28 : 647,272,919.34 = 267,236,237.80 : x - Step 2: Convert to fraction form
430,877,550.28/647,272,919.34 = 267,236,237.80/x - Step 3: Cross multiply
430,877,550.28x = 647,272,919.34 × 267,236,237.80 - Step 4: Simplify right side
430,877,550.28x = 172,974,779,794,244,480 - Step 5: Solve for x
x = 172,974,779,794,244,480/430,877,550.28 - Step 6: Final answer
x = 401,447,649.53
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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.