Finding the Fourth Proportional to 6,698,980,129.80, 10,048,470,194.70 and 6,595,667,999.40
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Solution
The fourth proportional to 6,698,980,129.80, 10,048,470,194.70 and 6,595,667,999.40 is: 9,893,501,999.10
Step by Step Solution
- Step 1: Write the proportion equation
6,698,980,129.80 : 10,048,470,194.70 = 6,595,667,999.40 : x - Step 2: Convert to fraction form
6,698,980,129.80/10,048,470,194.70 = 6,595,667,999.40/x - Step 3: Cross multiply
6,698,980,129.80x = 10,048,470,194.70 × 6,595,667,999.40 - Step 4: Simplify right side
6,698,980,129.80x = 66,276,373,306,107,478,016 - Step 5: Solve for x
x = 66,276,373,306,107,478,016/6,698,980,129.80 - Step 6: Final answer
x = 9,893,501,999.10
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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.