Finding the Fourth Proportional to 1,563,564,394.73, 2,157,710,518.67 and 849,093,702.81
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Solution
The fourth proportional to 1,563,564,394.73, 2,157,710,518.67 and 849,093,702.81 is: 1,171,744,777.54
Step by Step Solution
- Step 1: Write the proportion equation
1,563,564,394.73 : 2,157,710,518.67 = 849,093,702.81 : x - Step 2: Convert to fraction form
1,563,564,394.73/2,157,710,518.67 = 849,093,702.81/x - Step 3: Cross multiply
1,563,564,394.73x = 2,157,710,518.67 × 849,093,702.81 - Step 4: Simplify right side
1,563,564,394.73x = 1,832,098,413,877,259,008 - Step 5: Solve for x
x = 1,832,098,413,877,259,008/1,563,564,394.73 - Step 6: Final answer
x = 1,171,744,777.54
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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.