Finding the Fourth Proportional to 1,626,682,486.05, 2,244,869,184.11 and 921,811,030.11
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Solution
The fourth proportional to 1,626,682,486.05, 2,244,869,184.11 and 921,811,030.11 is: 1,272,126,055.83
Step by Step Solution
- Step 1: Write the proportion equation
1,626,682,486.05 : 2,244,869,184.11 = 921,811,030.11 : x - Step 2: Convert to fraction form
1,626,682,486.05/2,244,869,184.11 = 921,811,030.11/x - Step 3: Cross multiply
1,626,682,486.05x = 2,244,869,184.11 × 921,811,030.11 - Step 4: Simplify right side
1,626,682,486.05x = 2,069,345,175,065,435,904 - Step 5: Solve for x
x = 2,069,345,175,065,435,904/1,626,682,486.05 - Step 6: Final answer
x = 1,272,126,055.83
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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.