Finding the Fourth Proportional to 8,556,916,372.08, 11,808,316,745.25 and 4,939,818,037.08
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Solution
The fourth proportional to 8,556,916,372.08, 11,808,316,745.25 and 4,939,818,037.08 is: 6,816,817,356.78
Step by Step Solution
- Step 1: Write the proportion equation
8,556,916,372.08 : 11,808,316,745.25 = 4,939,818,037.08 : x - Step 2: Convert to fraction form
8,556,916,372.08/11,808,316,745.25 = 4,939,818,037.08/x - Step 3: Cross multiply
8,556,916,372.08x = 11,808,316,745.25 × 4,939,818,037.08 - Step 4: Simplify right side
8,556,916,372.08x = 58,330,936,045,739,745,280 - Step 5: Solve for x
x = 58,330,936,045,739,745,280/8,556,916,372.08 - Step 6: Final answer
x = 6,816,817,356.78
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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.