Finding the Fourth Proportional to 926,873,452.24, 1,391,525,254.84 and 621,531,859.92
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Solution
The fourth proportional to 926,873,452.24, 1,391,525,254.84 and 621,531,859.92 is: 933,112,581.52
Step by Step Solution
- Step 1: Write the proportion equation
926,873,452.24 : 1,391,525,254.84 = 621,531,859.92 : x - Step 2: Convert to fraction form
926,873,452.24/1,391,525,254.84 = 621,531,859.92/x - Step 3: Cross multiply
926,873,452.24x = 1,391,525,254.84 × 621,531,859.92 - Step 4: Simplify right side
926,873,452.24x = 864,877,279,766,357,120 - Step 5: Solve for x
x = 864,877,279,766,357,120/926,873,452.24 - Step 6: Final answer
x = 933,112,581.52
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1.5x scale
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.