Finding the Fourth Proportional to 1,041,293,329.62, 1,436,980,817.97 and 571,402,505.94
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Solution
The fourth proportional to 1,041,293,329.62, 1,436,980,817.97 and 571,402,505.94 is: 788,533,275.90
Step by Step Solution
- Step 1: Write the proportion equation
1,041,293,329.62 : 1,436,980,817.97 = 571,402,505.94 : x - Step 2: Convert to fraction form
1,041,293,329.62/1,436,980,817.97 = 571,402,505.94/x - Step 3: Cross multiply
1,041,293,329.62x = 1,436,980,817.97 × 571,402,505.94 - Step 4: Simplify right side
1,041,293,329.62x = 821,094,440,375,769,088 - Step 5: Solve for x
x = 821,094,440,375,769,088/1,041,293,329.62 - Step 6: Final answer
x = 788,533,275.90
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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.