Finding the Fourth Proportional to 539,048,388.04, 743,887,272.36 and 291,529,742.56
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Solution
The fourth proportional to 539,048,388.04, 743,887,272.36 and 291,529,742.56 is: 402,311,313.45
Step by Step Solution
- Step 1: Write the proportion equation
539,048,388.04 : 743,887,272.36 = 291,529,742.56 : x - Step 2: Convert to fraction form
539,048,388.04/743,887,272.36 = 291,529,742.56/x - Step 3: Cross multiply
539,048,388.04x = 743,887,272.36 × 291,529,742.56 - Step 4: Simplify right side
539,048,388.04x = 216,865,265,004,771,424 - Step 5: Solve for x
x = 216,865,265,004,771,424/539,048,388.04 - Step 6: Final answer
x = 402,311,313.45
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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.