Finding the Fourth Proportional to 1,090,197,309.24, 1,504,464,633.40 and 595,160,017.74
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Solution
The fourth proportional to 1,090,197,309.24, 1,504,464,633.40 and 595,160,017.74 is: 821,316,646.37
Step by Step Solution
- Step 1: Write the proportion equation
1,090,197,309.24 : 1,504,464,633.40 = 595,160,017.74 : x - Step 2: Convert to fraction form
1,090,197,309.24/1,504,464,633.40 = 595,160,017.74/x - Step 3: Cross multiply
1,090,197,309.24x = 1,504,464,633.40 × 595,160,017.74 - Step 4: Simplify right side
1,090,197,309.24x = 895,397,197,903,189,504 - Step 5: Solve for x
x = 895,397,197,903,189,504/1,090,197,309.24 - Step 6: Final answer
x = 821,316,646.37
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Double scale
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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.