Finding the Fourth Proportional to 884,580,891.48, 1,221,163,570.26 and 550,161,210.24
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Solution
The fourth proportional to 884,580,891.48, 1,221,163,570.26 and 550,161,210.24 is: 759,497,332.79
Step by Step Solution
- Step 1: Write the proportion equation
884,580,891.48 : 1,221,163,570.26 = 550,161,210.24 : x - Step 2: Convert to fraction form
884,580,891.48/1,221,163,570.26 = 550,161,210.24/x - Step 3: Cross multiply
884,580,891.48x = 1,221,163,570.26 × 550,161,210.24 - Step 4: Simplify right side
884,580,891.48x = 671,836,827,715,240,832 - Step 5: Solve for x
x = 671,836,827,715,240,832/884,580,891.48 - Step 6: Final answer
x = 759,497,332.79
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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.