Finding the Fourth Proportional to 7,127,663,188.80, 10,701,698,450.40 and 4,028,299,276.80
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Solution
The fourth proportional to 7,127,663,188.80, 10,701,698,450.40 and 4,028,299,276.80 is: 6,048,215,661.48
Step by Step Solution
- Step 1: Write the proportion equation
7,127,663,188.80 : 10,701,698,450.40 = 4,028,299,276.80 : x - Step 2: Convert to fraction form
7,127,663,188.80/10,701,698,450.40 = 4,028,299,276.80/x - Step 3: Cross multiply
7,127,663,188.80x = 10,701,698,450.40 × 4,028,299,276.80 - Step 4: Simplify right side
7,127,663,188.80x = 43,109,644,128,278,003,712 - Step 5: Solve for x
x = 43,109,644,128,278,003,712/7,127,663,188.80 - Step 6: Final answer
x = 6,048,215,661.48
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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.