Finding the Fourth Proportional to 7,863,131,306.24, 10,851,049,764.80 and 4,294,837,470.08
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Solution
The fourth proportional to 7,863,131,306.24, 10,851,049,764.80 and 4,294,837,470.08 is: 5,926,836,689.42
Step by Step Solution
- Step 1: Write the proportion equation
7,863,131,306.24 : 10,851,049,764.80 = 4,294,837,470.08 : x - Step 2: Convert to fraction form
7,863,131,306.24/10,851,049,764.80 = 4,294,837,470.08/x - Step 3: Cross multiply
7,863,131,306.24x = 10,851,049,764.80 × 4,294,837,470.08 - Step 4: Simplify right side
7,863,131,306.24x = 46,603,495,119,565,807,616 - Step 5: Solve for x
x = 46,603,495,119,565,807,616/7,863,131,306.24 - Step 6: Final answer
x = 5,926,836,689.42
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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.