Finding the Fourth Proportional to 762,552,247.24, 1,051,064,518.26 and 539,245,900.36
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Solution
The fourth proportional to 762,552,247.24, 1,051,064,518.26 and 539,245,900.36 is: 743,270,031.05
Step by Step Solution
- Step 1: Write the proportion equation
762,552,247.24 : 1,051,064,518.26 = 539,245,900.36 : x - Step 2: Convert to fraction form
762,552,247.24/1,051,064,518.26 = 539,245,900.36/x - Step 3: Cross multiply
762,552,247.24x = 1,051,064,518.26 × 539,245,900.36 - Step 4: Simplify right side
762,552,247.24x = 566,782,232,485,563,392 - Step 5: Solve for x
x = 566,782,232,485,563,392/762,552,247.24 - Step 6: Final answer
x = 743,270,031.05
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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.