Finding the Fourth Proportional to 8,973,516,212.80, 13,460,274,319.20 and 7,444,692,404.80
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Solution
The fourth proportional to 8,973,516,212.80, 13,460,274,319.20 and 7,444,692,404.80 is: 11,167,038,607.20
Step by Step Solution
- Step 1: Write the proportion equation
8,973,516,212.80 : 13,460,274,319.20 = 7,444,692,404.80 : x - Step 2: Convert to fraction form
8,973,516,212.80/13,460,274,319.20 = 7,444,692,404.80/x - Step 3: Cross multiply
8,973,516,212.80x = 13,460,274,319.20 × 7,444,692,404.80 - Step 4: Simplify right side
8,973,516,212.80x = 100,207,601,990,672,744,448 - Step 5: Solve for x
x = 100,207,601,990,672,744,448/8,973,516,212.80 - Step 6: Final answer
x = 11,167,038,607.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.