Finding the Fourth Proportional to 531,879,008.80, 798,129,405.36 and 384,180,926.08
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Solution
The fourth proportional to 531,879,008.80, 798,129,405.36 and 384,180,926.08 is: 576,495,949.28
Step by Step Solution
- Step 1: Write the proportion equation
531,879,008.80 : 798,129,405.36 = 384,180,926.08 : x - Step 2: Convert to fraction form
531,879,008.80/798,129,405.36 = 384,180,926.08/x - Step 3: Cross multiply
531,879,008.80x = 798,129,405.36 × 384,180,926.08 - Step 4: Simplify right side
531,879,008.80x = 306,626,094,082,884,480 - Step 5: Solve for x
x = 306,626,094,082,884,480/531,879,008.80 - Step 6: Final answer
x = 576,495,949.28
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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.