Finding the Fourth Proportional to 6,389,646,369.60, 9,584,951,461.76 and 1,907,387,110.40
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Solution
The fourth proportional to 6,389,646,369.60, 9,584,951,461.76 and 1,907,387,110.40 is: 2,861,224,520.80
Step by Step Solution
- Step 1: Write the proportion equation
6,389,646,369.60 : 9,584,951,461.76 = 1,907,387,110.40 : x - Step 2: Convert to fraction form
6,389,646,369.60/9,584,951,461.76 = 1,907,387,110.40/x - Step 3: Cross multiply
6,389,646,369.60x = 9,584,951,461.76 × 1,907,387,110.40 - Step 4: Simplify right side
6,389,646,369.60x = 18,282,212,871,970,664,448 - Step 5: Solve for x
x = 18,282,212,871,970,664,448/6,389,646,369.60 - Step 6: Final answer
x = 2,861,224,520.80
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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.