Finding the Fourth Proportional to 577,252,150.96, 865,790,738.72 and 157,106,263.02
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Solution
The fourth proportional to 577,252,150.96, 865,790,738.72 and 157,106,263.02 is: 235,635,583.67
Step by Step Solution
- Step 1: Write the proportion equation
577,252,150.96 : 865,790,738.72 = 157,106,263.02 : x - Step 2: Convert to fraction form
577,252,150.96/865,790,738.72 = 157,106,263.02/x - Step 3: Cross multiply
577,252,150.96x = 865,790,738.72 × 157,106,263.02 - Step 4: Simplify right side
577,252,150.96x = 136,021,147,517,624,432 - Step 5: Solve for x
x = 136,021,147,517,624,432/577,252,150.96 - Step 6: Final answer
x = 235,635,583.67
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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.