Finding the Fourth Proportional to 926,615,472.09, 1,278,724,984.61 and 503,226,170.47
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Solution
The fourth proportional to 926,615,472.09, 1,278,724,984.61 and 503,226,170.47 is: 694,449,743.69
Step by Step Solution
- Step 1: Write the proportion equation
926,615,472.09 : 1,278,724,984.61 = 503,226,170.47 : x - Step 2: Convert to fraction form
926,615,472.09/1,278,724,984.61 = 503,226,170.47/x - Step 3: Cross multiply
926,615,472.09x = 1,278,724,984.61 × 503,226,170.47 - Step 4: Simplify right side
926,615,472.09x = 643,487,877,088,682,240 - Step 5: Solve for x
x = 643,487,877,088,682,240/926,615,472.09 - Step 6: Final answer
x = 694,449,743.69
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1.5x scale
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.