Finding the Fourth Proportional to 5,331,133,029.18, 7,357,194,840.72 and 2,952,270,966.90
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Solution
The fourth proportional to 5,331,133,029.18, 7,357,194,840.72 and 2,952,270,966.90 is: 4,074,262,001.56
Step by Step Solution
- Step 1: Write the proportion equation
5,331,133,029.18 : 7,357,194,840.72 = 2,952,270,966.90 : x - Step 2: Convert to fraction form
5,331,133,029.18/7,357,194,840.72 = 2,952,270,966.90/x - Step 3: Cross multiply
5,331,133,029.18x = 7,357,194,840.72 × 2,952,270,966.90 - Step 4: Simplify right side
5,331,133,029.18x = 21,720,432,726,032,580,608 - Step 5: Solve for x
x = 21,720,432,726,032,580,608/5,331,133,029.18 - Step 6: Final answer
x = 4,074,262,001.56
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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.