Finding the Fourth Proportional to 879,581,548.53, 1,213,264,753.61 and 540,341,573.49
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Solution
The fourth proportional to 879,581,548.53, 1,213,264,753.61 and 540,341,573.49 is: 745,328,715.82
Step by Step Solution
- Step 1: Write the proportion equation
879,581,548.53 : 1,213,264,753.61 = 540,341,573.49 : x - Step 2: Convert to fraction form
879,581,548.53/1,213,264,753.61 = 540,341,573.49/x - Step 3: Cross multiply
879,581,548.53x = 1,213,264,753.61 × 540,341,573.49 - Step 4: Simplify right side
879,581,548.53x = 655,577,386,022,882,816 - Step 5: Solve for x
x = 655,577,386,022,882,816/879,581,548.53 - Step 6: Final answer
x = 745,328,715.82
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1.5x scale
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.