Finding the Fourth Proportional to 1,757,949,793.80, 2,637,344,594.70 and 531,130,273.80
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Solution
The fourth proportional to 1,757,949,793.80, 2,637,344,594.70 and 531,130,273.80 is: 796,822,276.51
Step by Step Solution
- Step 1: Write the proportion equation
1,757,949,793.80 : 2,637,344,594.70 = 531,130,273.80 : x - Step 2: Convert to fraction form
1,757,949,793.80/2,637,344,594.70 = 531,130,273.80/x - Step 3: Cross multiply
1,757,949,793.80x = 2,637,344,594.70 × 531,130,273.80 - Step 4: Simplify right side
1,757,949,793.80x = 1,400,773,556,687,960,832 - Step 5: Solve for x
x = 1,400,773,556,687,960,832/1,757,949,793.80 - Step 6: Final answer
x = 796,822,276.51
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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.