Finding the Fourth Proportional to 925,947,523.08, 1,277,226,351.84 and 549,337,477.20
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Solution
The fourth proportional to 925,947,523.08, 1,277,226,351.84 and 549,337,477.20 is: 757,740,891.84
Step by Step Solution
- Step 1: Write the proportion equation
925,947,523.08 : 1,277,226,351.84 = 549,337,477.20 : x - Step 2: Convert to fraction form
925,947,523.08/1,277,226,351.84 = 549,337,477.20/x - Step 3: Cross multiply
925,947,523.08x = 1,277,226,351.84 × 549,337,477.20 - Step 4: Simplify right side
925,947,523.08x = 701,628,301,933,145,216 - Step 5: Solve for x
x = 701,628,301,933,145,216/925,947,523.08 - Step 6: Final answer
x = 757,740,891.84
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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.