Finding the Fourth Proportional to 1,489,927,079.50, 2,234,816,326.67 and 557,181,352.99
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Solution
The fourth proportional to 1,489,927,079.50, 2,234,816,326.67 and 557,181,352.99 is: 835,744,246.62
Step by Step Solution
- Step 1: Write the proportion equation
1,489,927,079.50 : 2,234,816,326.67 = 557,181,352.99 : x - Step 2: Convert to fraction form
1,489,927,079.50/2,234,816,326.67 = 557,181,352.99/x - Step 3: Cross multiply
1,489,927,079.50x = 2,234,816,326.67 × 557,181,352.99 - Step 4: Simplify right side
1,489,927,079.50x = 1,245,197,984,564,172,544 - Step 5: Solve for x
x = 1,245,197,984,564,172,544/1,489,927,079.50 - Step 6: Final answer
x = 835,744,246.62
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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.