Finding the Fourth Proportional to 1,228,351,637.68, 1,843,255,530.60 and 452,541,665.59
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Solution
The fourth proportional to 1,228,351,637.68, 1,843,255,530.60 and 452,541,665.59 is: 679,080,730.91
Step by Step Solution
- Step 1: Write the proportion equation
1,228,351,637.68 : 1,843,255,530.60 = 452,541,665.59 : x - Step 2: Convert to fraction form
1,228,351,637.68/1,843,255,530.60 = 452,541,665.59/x - Step 3: Cross multiply
1,228,351,637.68x = 1,843,255,530.60 × 452,541,665.59 - Step 4: Simplify right side
1,228,351,637.68x = 834,149,927,925,703,168 - Step 5: Solve for x
x = 834,149,927,925,703,168/1,228,351,637.68 - Step 6: Final answer
x = 679,080,730.91
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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.