Finding the Fourth Proportional to 1,084,878,662.99, 1,627,143,586.70 and 297,748,439.91
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Solution
The fourth proportional to 1,084,878,662.99, 1,627,143,586.70 and 297,748,439.91 is: 446,574,793.09
Step by Step Solution
- Step 1: Write the proportion equation
1,084,878,662.99 : 1,627,143,586.70 = 297,748,439.91 : x - Step 2: Convert to fraction form
1,084,878,662.99/1,627,143,586.70 = 297,748,439.91/x - Step 3: Cross multiply
1,084,878,662.99x = 1,627,143,586.70 × 297,748,439.91 - Step 4: Simplify right side
1,084,878,662.99x = 484,479,464,447,998,080 - Step 5: Solve for x
x = 484,479,464,447,998,080/1,084,878,662.99 - Step 6: Final answer
x = 446,574,793.09
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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.