Finding the Fourth Proportional to 936,160,681.84, 1,291,279,535.37 and 602,055,848.63
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Solution
The fourth proportional to 936,160,681.84, 1,291,279,535.37 and 602,055,848.63 is: 830,436,923.46
Step by Step Solution
- Step 1: Write the proportion equation
936,160,681.84 : 1,291,279,535.37 = 602,055,848.63 : x - Step 2: Convert to fraction form
936,160,681.84/1,291,279,535.37 = 602,055,848.63/x - Step 3: Cross multiply
936,160,681.84x = 1,291,279,535.37 × 602,055,848.63 - Step 4: Simplify right side
936,160,681.84x = 777,422,396,488,965,632 - Step 5: Solve for x
x = 777,422,396,488,965,632/936,160,681.84 - Step 6: Final answer
x = 830,436,923.46
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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.