Finding the Fourth Proportional to 6,290,354,670.08, 8,683,832,129.28 and 3,912,259,182.08
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Solution
The fourth proportional to 6,290,354,670.08, 8,683,832,129.28 and 3,912,259,182.08 is: 5,400,872,250.50
Step by Step Solution
- Step 1: Write the proportion equation
6,290,354,670.08 : 8,683,832,129.28 = 3,912,259,182.08 : x - Step 2: Convert to fraction form
6,290,354,670.08/8,683,832,129.28 = 3,912,259,182.08/x - Step 3: Cross multiply
6,290,354,670.08x = 8,683,832,129.28 × 3,912,259,182.08 - Step 4: Simplify right side
6,290,354,670.08x = 33,973,401,983,416,999,936 - Step 5: Solve for x
x = 33,973,401,983,416,999,936/6,290,354,670.08 - Step 6: Final answer
x = 5,400,872,250.50
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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.