Finding the Fourth Proportional to 19,785,655,211.80, 29,678,482,817.70 and 6,699,452,027.80
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Solution
The fourth proportional to 19,785,655,211.80, 29,678,482,817.70 and 6,699,452,027.80 is: 10,049,178,041.70
Step by Step Solution
- Step 1: Write the proportion equation
19,785,655,211.80 : 29,678,482,817.70 = 6,699,452,027.80 : x - Step 2: Convert to fraction form
19,785,655,211.80/29,678,482,817.70 = 6,699,452,027.80/x - Step 3: Cross multiply
19,785,655,211.80x = 29,678,482,817.70 × 6,699,452,027.80 - Step 4: Simplify right side
19,785,655,211.80x = 198,829,571,895,067,738,112 - Step 5: Solve for x
x = 198,829,571,895,067,738,112/19,785,655,211.80 - Step 6: Final answer
x = 10,049,178,041.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.