Finding the Fourth Proportional to 1,669,751,811.82, 2,504,935,621.74 and 549,338,555.80
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Solution
The fourth proportional to 1,669,751,811.82, 2,504,935,621.74 and 549,338,555.80 is: 824,109,132.31
Step by Step Solution
- Step 1: Write the proportion equation
1,669,751,811.82 : 2,504,935,621.74 = 549,338,555.80 : x - Step 2: Convert to fraction form
1,669,751,811.82/2,504,935,621.74 = 549,338,555.80/x - Step 3: Cross multiply
1,669,751,811.82x = 2,504,935,621.74 × 549,338,555.80 - Step 4: Simplify right side
1,669,751,811.82x = 1,376,057,716,818,626,560 - Step 5: Solve for x
x = 1,376,057,716,818,626,560/1,669,751,811.82 - Step 6: Final answer
x = 824,109,132.31
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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.