Finding the Fourth Proportional to 832,639,679.80, 1,149,044,106.68 and 456,236,460.96
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Solution
The fourth proportional to 832,639,679.80, 1,149,044,106.68 and 456,236,460.96 is: 629,607,055.05
Step by Step Solution
- Step 1: Write the proportion equation
832,639,679.80 : 1,149,044,106.68 = 456,236,460.96 : x - Step 2: Convert to fraction form
832,639,679.80/1,149,044,106.68 = 456,236,460.96/x - Step 3: Cross multiply
832,639,679.80x = 1,149,044,106.68 × 456,236,460.96 - Step 4: Simplify right side
832,639,679.80x = 524,235,816,718,627,904 - Step 5: Solve for x
x = 524,235,816,718,627,904/832,639,679.80 - Step 6: Final answer
x = 629,607,055.05
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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.