Finding the Fourth Proportional to 1,106,877,488.06, 1,660,319,383.94 and 319,995,198.68
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Solution
The fourth proportional to 1,106,877,488.06, 1,660,319,383.94 and 319,995,198.68 is: 479,993,709.20
Step by Step Solution
- Step 1: Write the proportion equation
1,106,877,488.06 : 1,660,319,383.94 = 319,995,198.68 : x - Step 2: Convert to fraction form
1,106,877,488.06/1,660,319,383.94 = 319,995,198.68/x - Step 3: Cross multiply
1,106,877,488.06x = 1,660,319,383.94 × 319,995,198.68 - Step 4: Simplify right side
1,106,877,488.06x = 531,294,231,126,233,920 - Step 5: Solve for x
x = 531,294,231,126,233,920/1,106,877,488.06 - Step 6: Final answer
x = 479,993,709.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.