Finding the Fourth Proportional to 1,028,656,842.08, 1,419,545,363.28 and 558,758,536.16
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Solution
The fourth proportional to 1,028,656,842.08, 1,419,545,363.28 and 558,758,536.16 is: 771,086,193.91
Step by Step Solution
- Step 1: Write the proportion equation
1,028,656,842.08 : 1,419,545,363.28 = 558,758,536.16 : x - Step 2: Convert to fraction form
1,028,656,842.08/1,419,545,363.28 = 558,758,536.16/x - Step 3: Cross multiply
1,028,656,842.08x = 1,419,545,363.28 × 558,758,536.16 - Step 4: Simplify right side
1,028,656,842.08x = 793,183,089,199,048,192 - Step 5: Solve for x
x = 793,183,089,199,048,192/1,028,656,842.08 - Step 6: Final answer
x = 771,086,193.91
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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.