Finding the Fourth Proportional to 8,643,206,815.53, 11,915,895,430.20 and 6,064,727,197.13
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Solution
The fourth proportional to 8,643,206,815.53, 11,915,895,430.20 and 6,064,727,197.13 is: 8,361,092,894.80
Step by Step Solution
- Step 1: Write the proportion equation
8,643,206,815.53 : 11,915,895,430.20 = 6,064,727,197.13 : x - Step 2: Convert to fraction form
8,643,206,815.53/11,915,895,430.20 = 6,064,727,197.13/x - Step 3: Cross multiply
8,643,206,815.53x = 11,915,895,430.20 × 6,064,727,197.13 - Step 4: Simplify right side
8,643,206,815.53x = 72,266,655,093,631,442,944 - Step 5: Solve for x
x = 72,266,655,093,631,442,944/8,643,206,815.53 - Step 6: Final answer
x = 8,361,092,894.80
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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.