Finding the Fourth Proportional to 634,791,997.11, 875,933,632.12 and 352,496,055.99
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Solution
The fourth proportional to 634,791,997.11, 875,933,632.12 and 352,496,055.99 is: 486,400,509.20
Step by Step Solution
- Step 1: Write the proportion equation
634,791,997.11 : 875,933,632.12 = 352,496,055.99 : x - Step 2: Convert to fraction form
634,791,997.11/875,933,632.12 = 352,496,055.99/x - Step 3: Cross multiply
634,791,997.11x = 875,933,632.12 × 352,496,055.99 - Step 4: Simplify right side
634,791,997.11x = 308,763,150,631,295,616 - Step 5: Solve for x
x = 308,763,150,631,295,616/634,791,997.11 - Step 6: Final answer
x = 486,400,509.20
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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.