Finding the Fourth Proportional to 468,634,356.74, 646,690,695.28 and 267,651,718.96
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Solution
The fourth proportional to 468,634,356.74, 646,690,695.28 and 267,651,718.96 is: 369,345,255.50
Step by Step Solution
- Step 1: Write the proportion equation
468,634,356.74 : 646,690,695.28 = 267,651,718.96 : x - Step 2: Convert to fraction form
468,634,356.74/646,690,695.28 = 267,651,718.96/x - Step 3: Cross multiply
468,634,356.74x = 646,690,695.28 × 267,651,718.96 - Step 4: Simplify right side
468,634,356.74x = 173,087,876,227,191,648 - Step 5: Solve for x
x = 173,087,876,227,191,648/468,634,356.74 - Step 6: Final answer
x = 369,345,255.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.