Finding the Fourth Proportional to 930,555,380.08, 1,284,149,764.36 and 507,172,854.64
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Solution
The fourth proportional to 930,555,380.08, 1,284,149,764.36 and 507,172,854.64 is: 699,889,459.26
Step by Step Solution
- Step 1: Write the proportion equation
930,555,380.08 : 1,284,149,764.36 = 507,172,854.64 : x - Step 2: Convert to fraction form
930,555,380.08/1,284,149,764.36 = 507,172,854.64/x - Step 3: Cross multiply
930,555,380.08x = 1,284,149,764.36 × 507,172,854.64 - Step 4: Simplify right side
930,555,380.08x = 651,285,901,775,744,512 - Step 5: Solve for x
x = 651,285,901,775,744,512/930,555,380.08 - Step 6: Final answer
x = 699,889,459.26
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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.