Finding the Fourth Proportional to 2,413,163,161.74, 3,619,646,220.69 and 839,630,619.66
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Solution
The fourth proportional to 2,413,163,161.74, 3,619,646,220.69 and 839,630,619.66 is: 1,259,411,649.99
Step by Step Solution
- Step 1: Write the proportion equation
2,413,163,161.74 : 3,619,646,220.69 = 839,630,619.66 : x - Step 2: Convert to fraction form
2,413,163,161.74/3,619,646,220.69 = 839,630,619.66/x - Step 3: Cross multiply
2,413,163,161.74x = 3,619,646,220.69 × 839,630,619.66 - Step 4: Simplify right side
2,413,163,161.74x = 3,039,165,799,227,921,920 - Step 5: Solve for x
x = 3,039,165,799,227,921,920/2,413,163,161.74 - Step 6: Final answer
x = 1,259,411,649.99
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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.