Finding the Fourth Proportional to 1,473,330,574.98, 2,210,344,224.30 and 477,349,993.62
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Solution
The fourth proportional to 1,473,330,574.98, 2,210,344,224.30 and 477,349,993.62 is: 716,137,857.51
Step by Step Solution
- Step 1: Write the proportion equation
1,473,330,574.98 : 2,210,344,224.30 = 477,349,993.62 : x - Step 2: Convert to fraction form
1,473,330,574.98/2,210,344,224.30 = 477,349,993.62/x - Step 3: Cross multiply
1,473,330,574.98x = 2,210,344,224.30 × 477,349,993.62 - Step 4: Simplify right side
1,473,330,574.98x = 1,055,107,801,367,608,960 - Step 5: Solve for x
x = 1,055,107,801,367,608,960/1,473,330,574.98 - Step 6: Final answer
x = 716,137,857.51
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Double scale
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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.