Finding the Fourth Proportional to 7,999,561,237.08, 11,039,390,667.49 and 4,784,471,171.17
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Solution
The fourth proportional to 7,999,561,237.08, 11,039,390,667.49 and 4,784,471,171.17 is: 6,602,567,919.73
Step by Step Solution
- Step 1: Write the proportion equation
7,999,561,237.08 : 11,039,390,667.49 = 4,784,471,171.17 : x - Step 2: Convert to fraction form
7,999,561,237.08/11,039,390,667.49 = 4,784,471,171.17/x - Step 3: Cross multiply
7,999,561,237.08x = 11,039,390,667.49 × 4,784,471,171.17 - Step 4: Simplify right side
7,999,561,237.08x = 52,817,646,395,833,851,904 - Step 5: Solve for x
x = 52,817,646,395,833,851,904/7,999,561,237.08 - Step 6: Final answer
x = 6,602,567,919.73
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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.