Finding the Fourth Proportional to 1,018,564,347,391, 1,405,623,169,352.90 and 555,601,475,004.44
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Solution
The fourth proportional to 1,018,564,347,391, 1,405,623,169,352.90 and 555,601,475,004.44 is: 766,732,419,206.79
Step by Step Solution
- Step 1: Write the proportion equation
1,018,564,347,391 : 1,405,623,169,352.90 = 555,601,475,004.44 : x - Step 2: Convert to fraction form
1,018,564,347,391/1,405,623,169,352.90 = 555,601,475,004.44/x - Step 3: Cross multiply
1,018,564,347,391x = 1,405,623,169,352.90 × 555,601,475,004.44 - Step 4: Simplify right side
1,018,564,347,391x = 780,966,306,192,886,845,145,088 - Step 5: Solve for x
x = 780,966,306,192,886,845,145,088/1,018,564,347,391 - Step 6: Final answer
x = 766,732,419,206.79
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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.