Finding the Fourth Proportional to 19,305,305,276.31, 28,957,169,739.09 and 6,717,044,939.67
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Solution
The fourth proportional to 19,305,305,276.31, 28,957,169,739.09 and 6,717,044,939.67 is: 10,075,293,173.52
Step by Step Solution
- Step 1: Write the proportion equation
19,305,305,276.31 : 28,957,169,739.09 = 6,717,044,939.67 : x - Step 2: Convert to fraction form
19,305,305,276.31/28,957,169,739.09 = 6,717,044,939.67/x - Step 3: Cross multiply
19,305,305,276.31x = 28,957,169,739.09 × 6,717,044,939.67 - Step 4: Simplify right side
19,305,305,276.31x = 194,506,610,463,119,736,832 - Step 5: Solve for x
x = 194,506,610,463,119,736,832/19,305,305,276.31 - Step 6: Final answer
x = 10,075,293,173.52
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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.