Finding the Fourth Proportional to 1,479,584,839.62, 2,041,810,823.53 and 801,384,917.99
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Solution
The fourth proportional to 1,479,584,839.62, 2,041,810,823.53 and 801,384,917.99 is: 1,105,902,382.58
Step by Step Solution
- Step 1: Write the proportion equation
1,479,584,839.62 : 2,041,810,823.53 = 801,384,917.99 : x - Step 2: Convert to fraction form
1,479,584,839.62/2,041,810,823.53 = 801,384,917.99/x - Step 3: Cross multiply
1,479,584,839.62x = 2,041,810,823.53 × 801,384,917.99 - Step 4: Simplify right side
1,479,584,839.62x = 1,636,276,399,358,575,360 - Step 5: Solve for x
x = 1,636,276,399,358,575,360/1,479,584,839.62 - Step 6: Final answer
x = 1,105,902,382.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.