Finding the Fourth Proportional to 1,032,114,603.98, 1,424,272,207.55 and 602,991,668.16
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Solution
The fourth proportional to 1,032,114,603.98, 1,424,272,207.55 and 602,991,668.16 is: 832,101,659.09
Step by Step Solution
- Step 1: Write the proportion equation
1,032,114,603.98 : 1,424,272,207.55 = 602,991,668.16 : x - Step 2: Convert to fraction form
1,032,114,603.98/1,424,272,207.55 = 602,991,668.16/x - Step 3: Cross multiply
1,032,114,603.98x = 1,424,272,207.55 × 602,991,668.16 - Step 4: Simplify right side
1,032,114,603.98x = 858,824,274,346,007,680 - Step 5: Solve for x
x = 858,824,274,346,007,680/1,032,114,603.98 - Step 6: Final answer
x = 832,101,659.09
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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.